{ "$schema_version": "5.3", "review_mode": "fresh", "claim_restatement": { "index_wording": "Viral Persistence in Long COVID", "entry_form": "claim", "gradeable_restatement": "Persistent SARS-CoV-2 antigen or RNA in tissue reservoirs is a primary cause of post-acute COVID-19 symptoms.", "restatement_required": true, "split_into": [], "parent_claim": null, "scope_qualifiers": [ { "qualifier": "Enrollment, product identity, disease, species, baseline state and treatment timing", "determinable_before_outcome": true, "determined_from": "Enrollment and experimental design, before results; no responder-defined scope.", "action": "retained" } ] }, "hypothesis": { "name": "Viral Persistence in Long COVID", "central_claim": "Persistent SARS-CoV-2 antigen or RNA in tissue reservoirs is a primary cause of post-acute COVID-19 symptoms.", "proposed_mechanism": "Persistent SARS-CoV-2 antigen or RNA in tissue reservoirs is a primary cause of post-acute COVID-19 symptoms.", "claimed_scope": "Persistent SARS-CoV-2 material as the primary cause maintaining human Long-COVID symptoms", "claimed_level": [ "progression" ], "is_conjunctive": true, "conjunctive_note": "The website claim hinges on SC3 at its stated scope; SC1 and SC2 are reported separately and cannot substitute for that claim." }, "rubric_routing": { "primary_rubric": "05-immunology-inflammation.md", "secondary_rubrics": [], "index_notes_applied": [ "The website claim hinges on SC3 at its stated scope; SC1 and SC2 are reported separately and cannot substitute for that claim." ], "rubric_fit_note": "05-immunology-inflammation governs viral-inflammatory persistence and its human symptom-maintenance inference. Direct model pathway perturbations remain valid in their tested model scopes, while the registered subclaims concern post-acute SARS-CoV-2 and human clinical primacy." }, "subclaim_matrix": { "subclaims": [ { "id": "SC1", "statement": "SARS-CoV-2 antigen or RNA can persist after acute infection.", "subclaim_type": "existence", "scope": "People with prior SARS-CoV-2 infection", "claimed_scope": "People with prior SARS-CoV-2 infection", "governing_rubric": "05-immunology-inflammation.md", "key_evidence_anchor": "Controlled longitudinal tissue and antigen measurements", "hsef_level": "Β", "confidence": "Moderate", "governing_cap_or_threshold": "Quoted boundary and upward audit below.", "rationale": "RNA and antigen persistence are directly observed in selected human samples, with symptom associations. These presence findings are not by themselves a causal proposition or infectious-virus recovery." }, { "id": "SC2", "statement": "Persistent viral material drives sustained immune and physiological disruption.", "subclaim_type": "mechanism", "scope": "Post-acute infection", "claimed_scope": "Post-acute infection", "governing_rubric": "05-immunology-inflammation.md", "key_evidence_anchor": "Reservoir manipulation with physiological rescue", "hsef_level": "Γ", "confidence": "Moderate", "governing_cap_or_threshold": "Quoted boundary and upward audit below.", "rationale": "Viral-inflammatory signaling has model perturbation/rescue support and human correlates, but the exact persistent-SARS-CoV-2-to-human-syndrome link remains incompletely tested." }, { "id": "SC3", "statement": "Viral persistence is a primary cause of clinical Long COVID symptoms.", "subclaim_type": "primacy", "scope": "People meeting prospectively defined Long COVID criteria", "claimed_scope": "People meeting prospectively defined Long COVID criteria", "governing_rubric": "05-immunology-inflammation.md", "key_evidence_anchor": "Reservoir-targeted intervention with target engagement and clinical endpoints", "hsef_level": "Γ", "confidence": "Moderate", "governing_cap_or_threshold": "Quoted boundary and upward audit below.", "rationale": "No selected study verifies relevant reservoir removal followed by specific, substantial rescue of established human Long COVID. Multiple antiviral primary nulls constrain a broadly treatment-responsive replication model without proving reservoir eradication." } ], "aggregation_rule": "primary-subclaim", "aggregation_preregistered": true, "aggregation_rationale": "The website claim hinges on SC3 at its stated scope; SC1 and SC2 are reported separately and cannot substitute for that claim.", "primary_subclaim_id": "SC3", "aggregation_derivation": "Overall Γ follows SC3. Human tissue associations and mechanistic models supply partial support, but primary clinical maintenance by persistent SARS-CoV-2 has not been identified. Antiviral nulls are important counterevidence to accessible replication, not evidence that every tissue reservoir was eliminated.", "aggregation_alternatives": { "weakest_link_would_return": "Β", "primary_subclaim_would_return": "Γ", "scope_matched_would_return": "Γ", "note": "Separate narrow successes do not replace the preregistered gate." }, "index_rule_deviation": "" }, "competing_models": { "models_evaluated": [ { "rank_in_tournament": 1, "model_id": "M2", "is_nominal": false, "name": "Heterogeneous post-infection maintenance pathways", "core_claim": "Immune, vascular, neural and tissue-injury pathways may contribute differently across phenotypes.", "explains_what_nominal_does_not": "Immune, vascular, neural and tissue-injury pathways may contribute differently across phenotypes.", "strongest_supporting_evidence": [ "Diverse biopsy, proteomic, exercise and antibody-transfer results support multiple candidate pathways." ], "strongest_contradictory_evidence": [ "A flexible collection is not an established universal causal explanation." ], "hsef_level_for_this_model": "Γ", "rationale": "Diverse biopsy, proteomic, exercise and antibody-transfer results support multiple candidate pathways. A flexible collection is not an established universal causal explanation." }, { "rank_in_tournament": 2, "model_id": "M1", "is_nominal": true, "name": "Viral-reservoir primacy", "core_claim": "Persistent viral material maintains most symptoms through continued immune signaling.", "explains_what_nominal_does_not": "Persistent viral material maintains most symptoms through continued immune signaling.", "strongest_supporting_evidence": [ "Tissue RNA/antigen observations and viral-inflammatory model rescue support plausibility." ], "strongest_contradictory_evidence": [ "Several established-disease antiviral trials have null primary results and no verified tissue-clearance demonstration." ], "hsef_level_for_this_model": "Γ", "rationale": "Tissue RNA/antigen observations and viral-inflammatory model rescue support plausibility. Several established-disease antiviral trials have null primary results and no verified tissue-clearance demonstration." }, { "rank_in_tournament": 3, "model_id": "M3", "is_nominal": false, "name": "Autonomous postinfectious immune maintenance", "core_claim": "Immune pathology may persist after the initiating virus is cleared.", "explains_what_nominal_does_not": "Immune pathology may persist after the initiating virus is cleared.", "strongest_supporting_evidence": [ "Post-clearance mouse hyposmia perturbations and patient-IgG transfer support model pathways." ], "strongest_contradictory_evidence": [ "Human pathway necessity and the proportion of patients explained remain unresolved." ], "hsef_level_for_this_model": "Γ", "rationale": "Post-clearance mouse hyposmia perturbations and patient-IgG transfer support model pathways. Human pathway necessity and the proportion of patients explained remain unresolved." }, { "rank_in_tournament": 4, "model_id": "M4", "is_nominal": false, "name": "Residual injury with impaired repair", "core_claim": "Microvascular, muscle and small-fiber injuries may maintain selected functional deficits.", "explains_what_nominal_does_not": "Microvascular, muscle and small-fiber injuries may maintain selected functional deficits.", "strongest_supporting_evidence": [ "Biopsy and provocation findings demonstrate local abnormalities." ], "strongest_contradictory_evidence": [ "Observations do not identify the initiating cause or rule out ongoing antigen involvement." ], "hsef_level_for_this_model": "Γ", "rationale": "Biopsy and provocation findings demonstrate local abnormalities. Observations do not identify the initiating cause or rule out ongoing antigen involvement." } ], "tournament_summary": "Descriptive comparison; does not modify the nominal score. Reservoir-clearance-verified intervention with temporal symptom/immune readouts would distinguish persistent-antigen dependence from self-sustaining injury or immune maintenance; current symptom-only antiviral nulls cannot do this alone.", "study_separating_rank1_from_rank2": "Reservoir-clearance-verified intervention with temporal symptom/immune readouts would distinguish persistent-antigen dependence from self-sustaining injury or immune maintenance; current symptom-only antiviral nulls cannot do this alone.", "nominal_wins_only_by_funding_artifact": false, "level_unchanged_by_tournament": true }, "evidence_inventory": [ { "n": 1, "pmid": "40995367", "title": "Anti-neuronal and anti-mitochondrial autoantibodies are associated with lower functional status and more severe respiratory symptoms in post COVID syndrome.", "citation": "Vogelgesang A, Steinmetz A, Stufano A et al. 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No complete-paper or supplement audit claimed.", "relates_to_subclaims": [ "SC1", "SC2", "SC3" ], "favors_models": [], "evidence_class": "Weak", "system": "human observational", "decisive_perturbation": false, "endogenous": false, "direction": "supports", "what_it_shows": "Autoantibody profiles predicted selected post-COVID functional and respiratory outcomes.", "what_it_does_not_show": "Prediction does not establish antibody necessity or viral primacy.", "confounders_present": [ "Prediction does not establish antibody necessity or viral primacy." ], "verification": "verified", "verification_note": "Bounded source attribution; not proof of the nominal mechanism.", "citation_context": { "retrieved": false, "supporting_count": 0, "mentioning_count": 0, "contrasting_count": 0, "notable_contrasting_statements": [] }, "shared_components": [] }, { "n": 2, "pmid": "36651103", "title": "Persistent SARS-CoV-2 infection in patients seemingly recovered from COVID-19.", "citation": "Bussani R, Zentilin L, Correa R et al. Persistent SARS-CoV-2 infection in patients seemingly recovered from COVID-19. The Journal of pathology. 2023.", "doi": "10.1002/path.6035", "pmcid": "PMC10107739", "url": "https://pubmed.ncbi.nlm.nih.gov/36651103/", "source_pointer": "https://pubmed.ncbi.nlm.nih.gov/36651103/", "tier": "A", "source_tier": "A", "kind": "primary", "status_flags": [ "none_found" ], "opened": true, "opened_on": "2026-10-10", "status_checked_on": "2026-10-10", "study_id": "PMID36651103", "access_depth": "abstract_metadata", "access_note": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "relates_to_subclaims": [ "SC1", "SC2", "SC3" ], "favors_models": [], "evidence_class": "Weak", "system": "human observational", "decisive_perturbation": false, "endogenous": false, "direction": "supports", "what_it_shows": "Fatal-case autopsies detected SARS-CoV-2 RNA in selected tissues despite negative nasal tests.", "what_it_does_not_show": "Severe fatal cases are not representative Long COVID, and RNA does not alone establish infectious replication.", "confounders_present": [ "Severe fatal cases are not representative Long COVID, and RNA does not alone establish infectious replication." ], "verification": "verified", "verification_note": "Bounded source attribution; not proof of the nominal mechanism.", "citation_context": { "retrieved": false, "supporting_count": 0, "mentioning_count": 0, "contrasting_count": 0, "notable_contrasting_statements": [] }, "shared_components": [] }, { "n": 3, "pmid": "42087199", "title": "SARS-CoV-2 infection is associated with hypothalamic orexin suppression and persistent cortical NeuN attenuation.", "citation": "Yoon GY, Chung YC, Choi JH et al. SARS-CoV-2 infection is associated with hypothalamic orexin suppression and persistent cortical NeuN attenuation. Journal of neuroinflammation. 2026.", "doi": "10.1186/s12974-026-03842-y", "pmcid": "PMC13312555", "url": "https://pubmed.ncbi.nlm.nih.gov/42087199/", "source_pointer": "https://pubmed.ncbi.nlm.nih.gov/42087199/", "tier": "A", "source_tier": "A", "kind": "primary", "status_flags": [ "none_found" ], "opened": true, "opened_on": "2026-10-10", "status_checked_on": "2026-10-10", "study_id": "PMID42087199", "access_depth": "abstract_metadata", "access_note": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "relates_to_subclaims": [ "SC1", "SC2", "SC3" ], "favors_models": [], "evidence_class": "Moderate", "system": "animal model", "decisive_perturbation": false, "endogenous": false, "direction": "supports", "what_it_shows": "Infected mice showed persistent viral RNA and neuronal changes; orexin intervention affected neuronal markers.", "what_it_does_not_show": "Transgenic models and marker rescue do not establish human symptom rescue after reservoir clearance.", "confounders_present": [ "Transgenic models and marker rescue do not establish human symptom rescue after reservoir clearance." ], "verification": "verified", "verification_note": "Bounded source attribution; not proof of the nominal mechanism.", "citation_context": { "retrieved": false, "supporting_count": 0, "mentioning_count": 0, "contrasting_count": 0, "notable_contrasting_statements": [] }, "shared_components": [] }, { "n": 4, "pmid": "38250080", "title": "Reduced monocyte proportions and responsiveness in convalescent COVID-19 patients.", "citation": "Ravkov EV, Williams ESCP, Elgort M et al. Reduced monocyte proportions and responsiveness in convalescent COVID-19 patients. Frontiers in immunology. 2023.", "doi": "10.3389/fimmu.2023.1329026", "pmcid": "PMC10797708", "url": "https://pubmed.ncbi.nlm.nih.gov/38250080/", "source_pointer": "https://pubmed.ncbi.nlm.nih.gov/38250080/", "tier": "A", "source_tier": "A", "kind": "primary", "status_flags": [ "UpdateOf: PMID37961575" ], "opened": true, "opened_on": "2026-10-10", "status_checked_on": "2026-10-10", "study_id": "PMID38250080", "access_depth": "abstract_metadata", "access_note": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "relates_to_subclaims": [ "SC1", "SC2", "SC3" ], "favors_models": [], "evidence_class": "Moderate", "system": "ex vivo", "decisive_perturbation": false, "endogenous": false, "direction": "supports", "what_it_shows": "Convalescent monocytes showed altered functions in ex vivo assays.", "what_it_does_not_show": "Ex vivo dysfunction is not Long-COVID-specific or in vivo causal dependency.", "confounders_present": [ "Ex vivo dysfunction is not Long-COVID-specific or in vivo causal dependency." ], "verification": "verified", "verification_note": "Bounded source attribution; not proof of the nominal mechanism.", "citation_context": { "retrieved": false, "supporting_count": 0, "mentioning_count": 0, "contrasting_count": 0, "notable_contrasting_statements": [] }, "shared_components": [] }, { "n": 5, "pmid": "41963730", "title": "Senescence-like cells recruit γδ T cells to drive prolonged hyposmia after SARS-CoV-2 infection in mice.", "citation": "Tsuji S, Nakano S, Ito K et al. Senescence-like cells recruit γδ T cells to drive prolonged hyposmia after SARS-CoV-2 infection in mice. EMBO reports. 2026.", "doi": "10.1038/s44319-026-00769-6", "pmcid": "PMC13219478", "url": "https://pubmed.ncbi.nlm.nih.gov/41963730/", "source_pointer": "https://pubmed.ncbi.nlm.nih.gov/41963730/", "tier": "A", "source_tier": "A", "kind": "primary", "status_flags": [ "none_found" ], "opened": true, "opened_on": "2026-10-10", "status_checked_on": "2026-10-10", "study_id": "PMID41963730", "access_depth": "abstract_metadata", "access_note": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "relates_to_subclaims": [ "SC1", "SC2", "SC3" ], "favors_models": [], "evidence_class": "Moderate", "system": "animal model", "decisive_perturbation": true, "endogenous": false, "direction": "supports", "what_it_shows": "Mouse post-infection hyposmia persisted after viral clearance and responded to senescence/immune-pathway perturbation.", "what_it_does_not_show": "Model-specific maintenance without virus does not exclude reservoirs in other human phenotypes.", "confounders_present": [ "Model-specific maintenance without virus does not exclude reservoirs in other human phenotypes." ], "verification": "verified", "verification_note": "Bounded source attribution; not proof of the nominal mechanism.", "citation_context": { "retrieved": false, "supporting_count": 0, "mentioning_count": 0, "contrasting_count": 0, "notable_contrasting_statements": [] }, "shared_components": [] }, { "n": 6, "pmid": "37529320", "title": "Oligosymptomatic long-term carriers of SARS-CoV-2 display impaired innate resistance but increased high-affinity anti-spike antibodies.", "citation": "Montes-Cobos E, Bastos VC, Monteiro C et al. Oligosymptomatic long-term carriers of SARS-CoV-2 display impaired innate resistance but increased high-affinity anti-spike antibodies. iScience. 2023.", "doi": "10.1016/j.isci.2023.107219", "pmcid": "PMC10300054", "url": "https://pubmed.ncbi.nlm.nih.gov/37529320/", "source_pointer": "https://pubmed.ncbi.nlm.nih.gov/37529320/", "tier": "A", "source_tier": "A", "kind": "primary", "status_flags": [ "none_found" ], "opened": true, "opened_on": "2026-10-10", "status_checked_on": "2026-10-10", "study_id": "PMID37529320", "access_depth": "abstract_metadata", "access_note": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "relates_to_subclaims": [ "SC1", "SC2", "SC3" ], "favors_models": [], "evidence_class": "Weak", "system": "human observational", "decisive_perturbation": false, "endogenous": false, "direction": "supports", "what_it_shows": "Oligosymptomatic long-term carriers had altered immune profiles.", "what_it_does_not_show": "Persistence with few symptoms challenges simple sufficiency but does not prove a complete negative control for all tissues.", "confounders_present": [ "Persistence with few symptoms challenges simple sufficiency but does not prove a complete negative control for all tissues." ], "verification": "verified", "verification_note": "Bounded source attribution; not proof of the nominal mechanism.", "citation_context": { "retrieved": false, "supporting_count": 0, "mentioning_count": 0, "contrasting_count": 0, "notable_contrasting_statements": [] }, "shared_components": [] }, { "n": 7, "pmid": "35661354", "title": "Myopathy as a cause of fatigue in long-term post-COVID-19 symptoms: Evidence of skeletal muscle histopathology.", "citation": "Hejbøl EK, Harbo T, Agergaard J et al. Myopathy as a cause of fatigue in long-term post-COVID-19 symptoms: Evidence of skeletal muscle histopathology. European journal of neurology. 2022.", "doi": "10.1111/ene.15435", "pmcid": "PMC9348124", "url": "https://pubmed.ncbi.nlm.nih.gov/35661354/", "source_pointer": "https://pubmed.ncbi.nlm.nih.gov/35661354/", "tier": "A", "source_tier": "A", "kind": "primary", "status_flags": [ "none_found" ], "opened": true, "opened_on": "2026-10-10", "status_checked_on": "2026-10-10", "study_id": "PMID35661354", "access_depth": "abstract_metadata", "access_note": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "relates_to_subclaims": [ "SC1", "SC2", "SC3" ], "favors_models": [], "evidence_class": "Weak", "system": "human observational", "decisive_perturbation": false, "endogenous": false, "direction": "supports", "what_it_shows": "Long-COVID muscle biopsies showed inflammatory, mitochondrial and microvascular abnormalities.", "what_it_does_not_show": "Small selected biopsies without reservoir manipulation cannot establish the initiating mechanism.", "confounders_present": [ "Small selected biopsies without reservoir manipulation cannot establish the initiating mechanism." ], "verification": "verified", "verification_note": "Bounded source attribution; not proof of the nominal mechanism.", "citation_context": { "retrieved": false, "supporting_count": 0, "mentioning_count": 0, "contrasting_count": 0, "notable_contrasting_statements": [] }, "shared_components": [] }, { "n": 8, "pmid": "40806391", "title": "T Cell Dynamics in COVID-19, Long COVID and Successful Recovery.", "citation": "Korobova ZR, Arsentieva NA, Butenko AA et al. T Cell Dynamics in COVID-19, Long COVID and Successful Recovery. International journal of molecular sciences. 2025.", "doi": "10.3390/ijms26157258", "pmcid": "PMC12346483", "url": "https://pubmed.ncbi.nlm.nih.gov/40806391/", "source_pointer": "https://pubmed.ncbi.nlm.nih.gov/40806391/", "tier": "A", "source_tier": "A", "kind": "primary", "status_flags": [ "none_found" ], "opened": true, "opened_on": "2026-10-10", "status_checked_on": "2026-10-10", "study_id": "PMID40806391", "access_depth": "abstract_metadata", "access_note": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "relates_to_subclaims": [ "SC1", "SC2", "SC3" ], "favors_models": [], "evidence_class": "Weak", "system": "human observational", "decisive_perturbation": false, "endogenous": false, "direction": "supports", "what_it_shows": "Long-COVID immune profiles included altered T-cell and Th2 patterns.", "what_it_does_not_show": "Cell-state associations do not identify causal direction or antigen dependence.", "confounders_present": [ "Cell-state associations do not identify causal direction or antigen dependence." ], "verification": "verified", "verification_note": "Bounded source attribution; not proof of the nominal mechanism.", "citation_context": { "retrieved": false, "supporting_count": 0, "mentioning_count": 0, "contrasting_count": 0, "notable_contrasting_statements": [] }, "shared_components": [] }, { "n": 9, "pmid": "41794369", "title": "Persistent Gut-Immune Axis dysregulation in long-term Post-COVID Syndrome: Insights from a prospective, observational, cross-sectional case-control study.", "citation": "Augustin M, Picard L, Rauschning D et al. Persistent Gut-Immune Axis dysregulation in long-term Post-COVID Syndrome: Insights from a prospective, observational, cross-sectional case-control study. Mucosal immunology. 2026.", "doi": "10.1016/j.mucimm.2026.03.002", "pmcid": "", "url": "https://pubmed.ncbi.nlm.nih.gov/41794369/", "source_pointer": "https://pubmed.ncbi.nlm.nih.gov/41794369/", "tier": "A", "source_tier": "A", "kind": "primary", "status_flags": [ "none_found" ], "opened": true, "opened_on": "2026-10-10", "status_checked_on": "2026-10-10", "study_id": "PMID41794369", "access_depth": "abstract_metadata", "access_note": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "relates_to_subclaims": [ "SC1", "SC2", "SC3" ], "favors_models": [], "evidence_class": "Weak", "system": "human observational", "decisive_perturbation": false, "endogenous": false, "direction": "supports", "what_it_shows": "Post-COVID ileal viral protein was associated with local immune and barrier abnormalities.", "what_it_does_not_show": "Observational biopsy selection and protein detection do not prove replication or symptom causation.", "confounders_present": [ "Observational biopsy selection and protein detection do not prove replication or symptom causation." ], "verification": "verified", "verification_note": "Bounded source attribution; not proof of the nominal mechanism.", "citation_context": { "retrieved": false, "supporting_count": 0, "mentioning_count": 0, "contrasting_count": 0, "notable_contrasting_statements": [] }, "shared_components": [] }, { "n": 10, "pmid": "35765598", "title": "Severe Acute Respiratory Syndrome Coronavirus 2 Is Detected in the Gastrointestinal Tract of Asymptomatic Endoscopy Patients but Is Unlikely to Pose a Significant Risk to Healthcare Personnel.", "citation": "Cherne MD, Gentry AB, Nemudraia A et al. Severe Acute Respiratory Syndrome Coronavirus 2 Is Detected in the Gastrointestinal Tract of Asymptomatic Endoscopy Patients but Is Unlikely to Pose a Significant Risk to Healthcare Personnel. Gastro hep advances. 2022.", "doi": "10.1016/j.gastha.2022.06.002", "pmcid": "PMC9225937", "url": "https://pubmed.ncbi.nlm.nih.gov/35765598/", "source_pointer": "https://pubmed.ncbi.nlm.nih.gov/35765598/", "tier": "A", "source_tier": "A", "kind": "primary", "status_flags": [ "none_found" ], "opened": true, "opened_on": "2026-10-10", "status_checked_on": "2026-10-10", "study_id": "PMID35765598", "access_depth": "abstract_metadata", "access_note": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "relates_to_subclaims": [ "SC1", "SC2", "SC3" ], "favors_models": [], "evidence_class": "Weak", "system": "human observational", "decisive_perturbation": false, "endogenous": false, "direction": "supports", "what_it_shows": "Endoscopy samples contained viral material after infection without recoverable infectious virus.", "what_it_does_not_show": "Material persistence and infectious replication must remain distinct; the study did not remove the reservoir.", "confounders_present": [ "Material persistence and infectious replication must remain distinct; the study did not remove the reservoir." ], "verification": "verified", "verification_note": "Bounded source attribution; not proof of the nominal mechanism.", "citation_context": { "retrieved": false, "supporting_count": 0, "mentioning_count": 0, "contrasting_count": 0, "notable_contrasting_statements": [] }, "shared_components": [] }, { "n": 11, "pmid": "38188925", "title": "Incidence of persistent SARS-CoV-2 gut infection in patients with a history of COVID-19: Insights from endoscopic examination.", "citation": "Hany M, Sheta E, Talha A et al. Incidence of persistent SARS-CoV-2 gut infection in patients with a history of COVID-19: Insights from endoscopic examination. Endoscopy international open. 2024.", "doi": "10.1055/a-2180-9872", "pmcid": "PMC10769582", "url": "https://pubmed.ncbi.nlm.nih.gov/38188925/", "source_pointer": "https://pubmed.ncbi.nlm.nih.gov/38188925/", "tier": "A", "source_tier": "A", "kind": "primary", "status_flags": [ "none_found" ], "opened": true, "opened_on": "2026-10-10", "status_checked_on": "2026-10-10", "study_id": "PMID38188925", "access_depth": "abstract_metadata", "access_note": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "relates_to_subclaims": [ "SC1", "SC2", "SC3" ], "favors_models": [], "evidence_class": "Weak", "system": "human observational", "decisive_perturbation": false, "endogenous": false, "direction": "supports", "what_it_shows": "Gut immunostaining showed persistent viral protein with regional and clinical differences.", "what_it_does_not_show": "Absence of clear symptom differences prevents inferring that detection alone explains symptoms.", "confounders_present": [ "Absence of clear symptom differences prevents inferring that detection alone explains symptoms." ], "verification": "verified", "verification_note": "Bounded source attribution; not proof of the nominal mechanism.", "citation_context": { "retrieved": false, "supporting_count": 0, "mentioning_count": 0, "contrasting_count": 0, "notable_contrasting_statements": [] }, "shared_components": [] }, { "n": 12, "pmid": "38848477", "title": "Nirmatrelvir-Ritonavir and Symptoms in Adults With Postacute Sequelae of SARS-CoV-2 Infection: The STOP-PASC Randomized Clinical Trial.", "citation": "Geng LN, Bonilla H, Hedlin H et al. Nirmatrelvir-Ritonavir and Symptoms in Adults With Postacute Sequelae of SARS-CoV-2 Infection: The STOP-PASC Randomized Clinical Trial. JAMA internal medicine. 2024.", "doi": "10.1001/jamainternmed.2024.2007", "pmcid": "PMC11161857", "url": "https://pubmed.ncbi.nlm.nih.gov/38848477/", "source_pointer": "https://pubmed.ncbi.nlm.nih.gov/38848477/", "tier": "A", "source_tier": "A", "kind": "rct", "status_flags": [ "ErratumIn: PMID39037781" ], "opened": true, "opened_on": "2026-10-10", "status_checked_on": "2026-10-10", "study_id": "STOP_PASC", "access_depth": "full_text_partial", "access_note": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. Selected body sections: 2:Results:paragraph8, 2:Results:paragraph17. No complete-paper or supplement audit claimed.", "relates_to_subclaims": [ "SC1", "SC2", "SC3" ], "favors_models": [], "evidence_class": "Strong", "system": "human interventional", "decisive_perturbation": true, "endogenous": true, "direction": "null", "what_it_shows": "STOP-PASC found no significant primary symptom benefit from a 15-day antiviral course.", "what_it_does_not_show": "No verified clearance of the relevant tissue reservoir; null clinical benefit does not establish absence of all reservoirs. An erratum is attached.", "confounders_present": [ "No verified clearance of the relevant tissue reservoir; null clinical benefit does not establish absence of all reservoirs. An erratum is attached." ], "verification": "verified", "verification_note": "Bounded source attribution; not proof of the nominal mechanism.", "citation_context": { "retrieved": false, "supporting_count": 0, "mentioning_count": 0, "contrasting_count": 0, "notable_contrasting_statements": [] }, "shared_components": [ "Shared parent randomization/recruitment and outcome ascertainment: STOP_PASC" ] }, { "n": 13, "pmid": "40810942", "title": "Digital Biometric Measures in Long COVID: A Secondary Analysis of the STOP-PASC Randomized Clinical Trial.", "citation": "Gunturkun F, Hedlin H, Botzheim B et al. Digital Biometric Measures in Long COVID: A Secondary Analysis of the STOP-PASC Randomized Clinical Trial. JAMA network open. 2025.", "doi": "10.1001/jamanetworkopen.2025.26901", "pmcid": "PMC12355292", "url": "https://pubmed.ncbi.nlm.nih.gov/40810942/", "source_pointer": "https://pubmed.ncbi.nlm.nih.gov/40810942/", "tier": "A", "source_tier": "A", "kind": "rct", "status_flags": [ "none_found" ], "opened": true, "opened_on": "2026-10-10", "status_checked_on": "2026-10-10", "study_id": "STOP_PASC", "access_depth": "abstract_metadata", "access_note": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "relates_to_subclaims": [ "SC1", "SC2", "SC3" ], "favors_models": [], "evidence_class": "Moderate", "system": "human interventional", "decisive_perturbation": false, "endogenous": true, "direction": "supports", "what_it_shows": "STOP-PASC wearable analyses did not show a clear intervention benefit.", "what_it_does_not_show": "Secondary analysis with attrition, same trial family and no tissue-clearance endpoint.", "confounders_present": [ "Secondary analysis with attrition, same trial family and no tissue-clearance endpoint." ], "verification": "verified", "verification_note": "Bounded source attribution; not proof of the nominal mechanism.", "citation_context": { "retrieved": false, "supporting_count": 0, "mentioning_count": 0, "contrasting_count": 0, "notable_contrasting_statements": [] }, "shared_components": [ "Shared parent randomization/recruitment and outcome ascertainment: STOP_PASC" ] }, { "n": 14, "pmid": "40188838", "title": "Nirmatrelvir-ritonavir versus placebo-ritonavir in individuals with long COVID in the USA (PAX LC): a double-blind, randomised, placebo-controlled, phase 2, decentralised trial.", "citation": "Sawano M, Bhattacharjee B, Caraballo C et al. Nirmatrelvir-ritonavir versus placebo-ritonavir in individuals with long COVID in the USA (PAX LC): a double-blind, randomised, placebo-controlled, phase 2, decentralised trial. The Lancet. Infectious diseases. 2025.", "doi": "10.1016/S1473-3099(25)00073-8", "pmcid": "", "url": "https://pubmed.ncbi.nlm.nih.gov/40188838/", "source_pointer": "https://pubmed.ncbi.nlm.nih.gov/40188838/", "tier": "A", "source_tier": "A", "kind": "rct", "status_flags": [ "none_found" ], "opened": true, "opened_on": "2026-10-10", "status_checked_on": "2026-10-10", "study_id": "NCT05668091", "access_depth": "abstract_metadata", "access_note": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "relates_to_subclaims": [ "SC1", "SC2", "SC3" ], "favors_models": [], "evidence_class": "Strong", "system": "human interventional", "decisive_perturbation": true, "endogenous": true, "direction": "null", "what_it_shows": "PAXLC found no significant primary physical-health benefit from the tested antiviral course.", "what_it_does_not_show": "The intervention may not eradicate compartmental or nonreplicating antigen; this is not a verified reservoir-removal experiment.", "confounders_present": [ "The intervention may not eradicate compartmental or nonreplicating antigen; this is not a verified reservoir-removal experiment." ], "verification": "verified", "verification_note": "Bounded source attribution; not proof of the nominal mechanism.", "citation_context": { "retrieved": false, "supporting_count": 0, "mentioning_count": 0, "contrasting_count": 0, "notable_contrasting_statements": [] }, "shared_components": [] }, { "n": 15, "pmid": "42462744", "title": "Nirmatrelvir for acute COVID-19 to prevent long COVID (PANORAMIC Norway): a double-blind, randomised, placebo-controlled trial.", "citation": "Oppegaard O, Blomberg B, Cox RJ et al. Nirmatrelvir for acute COVID-19 to prevent long COVID (PANORAMIC Norway): a double-blind, randomised, placebo-controlled trial. The Lancet. Infectious diseases. 2026.", "doi": "10.1016/S1473-3099(26)00244-6", "pmcid": "", "url": "https://pubmed.ncbi.nlm.nih.gov/42462744/", "source_pointer": "https://pubmed.ncbi.nlm.nih.gov/42462744/", "tier": "A", "source_tier": "A", "kind": "primary", "status_flags": [ "none_found" ], "opened": true, "opened_on": "2026-10-10", "status_checked_on": "2026-10-10", "study_id": "NCT05852873", "access_depth": "abstract_metadata", "access_note": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "relates_to_subclaims": [ "SC1", "SC2", "SC3" ], "favors_models": [], "evidence_class": "Strong", "system": "human interventional", "decisive_perturbation": true, "endogenous": true, "direction": "supports", "what_it_shows": "A small prematurely stopped acute-treatment trial reported less subsequent Long COVID.", "what_it_does_not_show": "Prevention after acute infection does not demonstrate maintenance by a reservoir in established disease.", "confounders_present": [ "Prevention after acute infection does not demonstrate maintenance by a reservoir in established disease." ], "verification": "verified", "verification_note": "Bounded source attribution; not proof of the nominal mechanism.", "citation_context": { "retrieved": false, "supporting_count": 0, "mentioning_count": 0, "contrasting_count": 0, "notable_contrasting_statements": [] }, "shared_components": [] }, { "n": 16, "pmid": "42673984", "title": "Nirmatrelvir-ritonavir targeting viral persistence in post-COVID-19 condition (long COVID) in the USA (RECOVER-VITAL): a randomised, double-blind, placebo-controlled, phase 2 trial.", "citation": "Baden LR, Shah NS, Liu STH et al. Nirmatrelvir-ritonavir targeting viral persistence in post-COVID-19 condition (long COVID) in the USA (RECOVER-VITAL): a randomised, double-blind, placebo-controlled, phase 2 trial. The Lancet. Infectious diseases. 2026.", "doi": "10.1016/S1473-3099(26)00406-8", "pmcid": "", "url": "https://pubmed.ncbi.nlm.nih.gov/42673984/", "source_pointer": "https://pubmed.ncbi.nlm.nih.gov/42673984/", "tier": "A", "source_tier": "A", "kind": "primary", "status_flags": [ "none_found" ], "opened": true, "opened_on": "2026-10-10", "status_checked_on": "2026-10-10", "study_id": "NCT05595369", "access_depth": "abstract_metadata", "access_note": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "relates_to_subclaims": [ "SC1", "SC2", "SC3" ], "favors_models": [], "evidence_class": "Strong", "system": "human interventional", "decisive_perturbation": true, "endogenous": true, "direction": "null", "what_it_shows": "RECOVER-VITAL found no significant primary benefits for the tested established-Long-COVID symptom phenotypes.", "what_it_does_not_show": "Late antiviral nulls constrain treatment-responsive replication, but do not document reservoir clearance in tissues.", "confounders_present": [ "Late antiviral nulls constrain treatment-responsive replication, but do not document reservoir clearance in tissues." ], "verification": "verified", "verification_note": "Bounded source attribution; not proof of the nominal mechanism.", "citation_context": { "retrieved": false, "supporting_count": 0, "mentioning_count": 0, "contrasting_count": 0, "notable_contrasting_statements": [] }, "shared_components": [] }, { "n": 17, "pmid": "41164784", "title": "Longitudinal Patient-Reported Outcome Trajectories in Long COVID: Findings From the STOP-PASC Clinical Trial.", "citation": "Jagannathan P, Hedlin H, Liang JW et al. Longitudinal Patient-Reported Outcome Trajectories in Long COVID: Findings From the STOP-PASC Clinical Trial. Open forum infectious diseases. 2025.", "doi": "10.1093/ofid/ofaf634", "pmcid": "PMC12560753", "url": "https://pubmed.ncbi.nlm.nih.gov/41164784/", "source_pointer": "https://pubmed.ncbi.nlm.nih.gov/41164784/", "tier": "A", "source_tier": "A", "kind": "primary", "status_flags": [ "none_found" ], "opened": true, "opened_on": "2026-10-10", "status_checked_on": "2026-10-10", "study_id": "STOP_PASC", "access_depth": "abstract_metadata", "access_note": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "relates_to_subclaims": [ "SC1", "SC2", "SC3" ], "favors_models": [], "evidence_class": "Weak", "system": "human observational", "decisive_perturbation": false, "endogenous": false, "direction": "supports", "what_it_shows": "STOP-PASC trajectories did not identify a clear broadly responsive symptom subgroup.", "what_it_does_not_show": "Same randomized cohort; exploratory trajectories are not independent tests of reservoir removal.", "confounders_present": [ "Same randomized cohort; exploratory trajectories are not independent tests of reservoir removal." ], "verification": "verified", "verification_note": "Bounded source attribution; not proof of the nominal mechanism.", "citation_context": { "retrieved": false, "supporting_count": 0, "mentioning_count": 0, "contrasting_count": 0, "notable_contrasting_statements": [] }, "shared_components": [ "Shared parent randomization/recruitment and outcome ascertainment: STOP_PASC" ] }, { "n": 18, "pmid": "40444408", "title": "Paxlovid Is Associated With Lower Rates of Long COVID-19 Smell and Taste Disorders.", "citation": "Wang E, Patel ZM. Paxlovid Is Associated With Lower Rates of Long COVID-19 Smell and Taste Disorders. International forum of allergy & rhinology. 2025.", "doi": "10.1002/alr.23612", "pmcid": "", "url": "https://pubmed.ncbi.nlm.nih.gov/40444408/", "source_pointer": "https://pubmed.ncbi.nlm.nih.gov/40444408/", "tier": "A", "source_tier": "A", "kind": "primary", "status_flags": [ "none_found" ], "opened": true, "opened_on": "2026-10-10", "status_checked_on": "2026-10-10", "study_id": "PMID40444408", "access_depth": "abstract_metadata", "access_note": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "relates_to_subclaims": [ "SC1", "SC2", "SC3" ], "favors_models": [], "evidence_class": "Weak", "system": "human observational", "decisive_perturbation": false, "endogenous": false, "direction": "supports", "what_it_shows": "Early antiviral treatment was associated with fewer later smell/taste problems.", "what_it_does_not_show": "Observational treatment selection and acute timing do not establish late symptom mechanism.", "confounders_present": [ "Observational treatment selection and acute timing do not establish late symptom mechanism." ], "verification": "verified", "verification_note": "Bounded source attribution; not proof of the nominal mechanism.", "citation_context": { "retrieved": false, "supporting_count": 0, "mentioning_count": 0, "contrasting_count": 0, "notable_contrasting_statements": [] }, "shared_components": [] }, { "n": 19, "pmid": "37650236", "title": "Long COVID After Bamlanivimab Treatment.", "citation": "Evering TH, Moser CB, Jilg N et al. Long COVID After Bamlanivimab Treatment. The Journal of infectious diseases. 2023.", "doi": "10.1093/infdis/jiad286", "pmcid": "PMC10686694", "url": "https://pubmed.ncbi.nlm.nih.gov/37650236/", "source_pointer": "https://pubmed.ncbi.nlm.nih.gov/37650236/", "tier": "A", "source_tier": "A", "kind": "primary", "status_flags": [ "none_found" ], "opened": true, "opened_on": "2026-10-10", "status_checked_on": "2026-10-10", "study_id": "NCT04518410", "access_depth": "abstract_metadata", "access_note": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "relates_to_subclaims": [ "SC1", "SC2", "SC3" ], "favors_models": [], "evidence_class": "Weak", "system": "human observational", "decisive_perturbation": false, "endogenous": false, "direction": "supports", "what_it_shows": "A bamlanivimab-treated cohort developed persistent symptoms without a clear nasal-RNA association.", "what_it_does_not_show": "Nasal sampling is not tissue clearance and cohort analysis is not a randomized late reservoir intervention.", "confounders_present": [ "Nasal sampling is not tissue clearance and cohort analysis is not a randomized late reservoir intervention." ], "verification": "verified", "verification_note": "Bounded source attribution; not proof of the nominal mechanism.", "citation_context": { "retrieved": false, "supporting_count": 0, "mentioning_count": 0, "contrasting_count": 0, "notable_contrasting_statements": [] }, "shared_components": [] }, { "n": 20, "pmid": "38797051", "title": "Diverse immunological dysregulation, chronic inflammation, and impaired erythropoiesis in long COVID patients with chronic fatigue syndrome.", "citation": "Saito S, Shahbaz S, Osman M et al. Diverse immunological dysregulation, chronic inflammation, and impaired erythropoiesis in long COVID patients with chronic fatigue syndrome. Journal of autoimmunity. 2024.", "doi": "10.1016/j.jaut.2024.103267", "pmcid": "", "url": "https://pubmed.ncbi.nlm.nih.gov/38797051/", "source_pointer": "https://pubmed.ncbi.nlm.nih.gov/38797051/", "tier": "A", "source_tier": "A", "kind": "primary", "status_flags": [ "none_found" ], "opened": true, "opened_on": "2026-10-10", "status_checked_on": "2026-10-10", "study_id": "PMID38797051", "access_depth": "abstract_metadata", "access_note": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "relates_to_subclaims": [ "SC1", "SC2", "SC3" ], "favors_models": [], "evidence_class": "Weak", "system": "human observational", "decisive_perturbation": false, "endogenous": false, "direction": "supports", "what_it_shows": "Long-COVID and ME/CFS cohorts showed immune dysregulation.", "what_it_does_not_show": "Shared phenotype signatures do not identify a unique viral cause.", "confounders_present": [ "Shared phenotype signatures do not identify a unique viral cause." ], "verification": "verified", "verification_note": "Bounded source attribution; not proof of the nominal mechanism.", "citation_context": { "retrieved": false, "supporting_count": 0, "mentioning_count": 0, "contrasting_count": 0, "notable_contrasting_statements": [] }, "shared_components": [] }, { "n": 21, "pmid": "37207671", "title": "Increased Levels of Inflammatory and Endothelial Biomarkers in Blood of Long COVID Patients Point to Thrombotic Endothelialitis.", "citation": "Turner S, Naidoo CA, Usher TJ et al. Increased Levels of Inflammatory and Endothelial Biomarkers in Blood of Long COVID Patients Point to Thrombotic Endothelialitis. Seminars in thrombosis and hemostasis. 2024.", "doi": "10.1055/s-0043-1769014", "pmcid": "", "url": "https://pubmed.ncbi.nlm.nih.gov/37207671/", "source_pointer": "https://pubmed.ncbi.nlm.nih.gov/37207671/", "tier": "A", "source_tier": "A", "kind": "primary", "status_flags": [ "none_found" ], "opened": true, "opened_on": "2026-10-10", "status_checked_on": "2026-10-10", "study_id": "PMID37207671", "access_depth": "abstract_metadata", "access_note": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "relates_to_subclaims": [ "SC1", "SC2", "SC3" ], "favors_models": [], "evidence_class": "Weak", "system": "human observational", "decisive_perturbation": false, "endogenous": false, "direction": "supports", "what_it_shows": "Endothelial and blood markers supported vascular involvement in Long COVID.", "what_it_does_not_show": "Associations do not establish microclots as the primary driver or prove independence from inflammation.", "confounders_present": [ "Associations do not establish microclots as the primary driver or prove independence from inflammation." ], "verification": "verified", "verification_note": "Bounded source attribution; not proof of the nominal mechanism.", "citation_context": { "retrieved": false, "supporting_count": 0, "mentioning_count": 0, "contrasting_count": 0, "notable_contrasting_statements": [] }, "shared_components": [] }, { "n": 22, "pmid": "42021271", "title": "Long COVID: Deep single-cell immunophenotyping and machine learning reveal a general signature for fatigue.", "citation": "Sommen SL, Segtnan S, Selvakumar J et al. Long COVID: Deep single-cell immunophenotyping and machine learning reveal a general signature for fatigue. Journal of translational medicine. 2026.", "doi": "10.1186/s12967-026-08149-3", "pmcid": "PMC13237906", "url": "https://pubmed.ncbi.nlm.nih.gov/42021271/", "source_pointer": "https://pubmed.ncbi.nlm.nih.gov/42021271/", "tier": "A", "source_tier": "A", "kind": "primary", "status_flags": [ "none_found" ], "opened": true, "opened_on": "2026-10-10", "status_checked_on": "2026-10-10", "study_id": "PMID42021271", "access_depth": "abstract_metadata", "access_note": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "relates_to_subclaims": [ "SC1", "SC2", "SC3" ], "favors_models": [], "evidence_class": "Weak", "system": "human observational", "decisive_perturbation": false, "endogenous": false, "direction": "supports", "what_it_shows": "Fatigued post-COVID and other fatigued participants shared immune features.", "what_it_does_not_show": "Nonspecific signatures constrain diagnostic specificity but not every causal pathway.", "confounders_present": [ "Nonspecific signatures constrain diagnostic specificity but not every causal pathway." ], "verification": "verified", "verification_note": "Bounded source attribution; not proof of the nominal mechanism.", "citation_context": { "retrieved": false, "supporting_count": 0, "mentioning_count": 0, "contrasting_count": 0, "notable_contrasting_statements": [] }, "shared_components": [] }, { "n": 23, "pmid": "33528824", "title": "Persistent COVID-19-associated neurocognitive symptoms in non-hospitalized patients.", "citation": "Hellmuth J, Barnett TA, Asken BM et al. Persistent COVID-19-associated neurocognitive symptoms in non-hospitalized patients. Journal of neurovirology. 2021.", "doi": "10.1007/s13365-021-00954-4", "pmcid": "PMC7852463", "url": "https://pubmed.ncbi.nlm.nih.gov/33528824/", "source_pointer": "https://pubmed.ncbi.nlm.nih.gov/33528824/", "tier": "A", "source_tier": "A", "kind": "primary", "status_flags": [ "none_found" ], "opened": true, "opened_on": "2026-10-10", "status_checked_on": "2026-10-10", "study_id": "PMID33528824", "access_depth": "abstract_metadata", "access_note": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "relates_to_subclaims": [ "SC1", "SC2", "SC3" ], "favors_models": [], "evidence_class": "Weak", "system": "human observational", "decisive_perturbation": false, "endogenous": false, "direction": "supports", "what_it_shows": "An outpatient cohort documented prolonged neurological and cognitive symptoms.", "what_it_does_not_show": "Natural history establishes burden, not viral causality.", "confounders_present": [ "Natural history establishes burden, not viral causality." ], "verification": "verified", "verification_note": "Bounded source attribution; not proof of the nominal mechanism.", "citation_context": { "retrieved": false, "supporting_count": 0, "mentioning_count": 0, "contrasting_count": 0, "notable_contrasting_statements": [] }, "shared_components": [] }, { "n": 24, "pmid": "37848036", "title": "Serotonin reduction in post-acute sequelae of viral infection.", "citation": "Wong AC, Devason AS, Umana IC et al. Serotonin reduction in post-acute sequelae of viral infection. Cell. 2023.", "doi": "10.1016/j.cell.2023.09.013", "pmcid": "PMC11227373", "url": "https://pubmed.ncbi.nlm.nih.gov/37848036/", "source_pointer": "https://pubmed.ncbi.nlm.nih.gov/37848036/", "tier": "A", "source_tier": "A", "kind": "primary", "status_flags": [ "none_found" ], "opened": true, "opened_on": "2026-10-10", "status_checked_on": "2026-10-10", "study_id": "PMID37848036", "access_depth": "full_text_partial", "access_note": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. Selected body sections: 1:RESULTS:paragraph4, 1:RESULTS:paragraph5, 1:RESULTS:paragraph19. No complete-paper or supplement audit claimed.", "relates_to_subclaims": [ "SC1", "SC2", "SC3" ], "favors_models": [], "evidence_class": "Moderate", "system": "animal model", "decisive_perturbation": true, "endogenous": false, "direction": "supports", "what_it_shows": "Human metabolomics and mouse interventions linked viral-inflammatory signaling to serotonin/vagal-memory changes.", "what_it_does_not_show": "LCMV persistence, poly(I:C), receptor manipulation and rescue are model evidence, not selective SARS-CoV-2 reservoir removal in humans.", "confounders_present": [ "LCMV persistence, poly(I:C), receptor manipulation and rescue are model evidence, not selective SARS-CoV-2 reservoir removal in humans." ], "verification": "verified", "verification_note": "Bounded source attribution; not proof of the nominal mechanism.", "citation_context": { "retrieved": false, "supporting_count": 0, "mentioning_count": 0, "contrasting_count": 0, "notable_contrasting_statements": [] }, "shared_components": [] }, { "n": 25, "pmid": "36517603", "title": "SARS-CoV-2 infection and persistence in the human body and brain at autopsy.", "citation": "Stein SR, Ramelli SC, Grazioli A et al. SARS-CoV-2 infection and persistence in the human body and brain at autopsy. Nature. 2022.", "doi": "10.1038/s41586-022-05542-y", "pmcid": "PMC9749650", "url": "https://pubmed.ncbi.nlm.nih.gov/36517603/", "source_pointer": "https://pubmed.ncbi.nlm.nih.gov/36517603/", "tier": "A", "source_tier": "A", "kind": "primary", "status_flags": [ "none_found" ], "opened": true, "opened_on": "2026-10-10", "status_checked_on": "2026-10-10", "study_id": "PMID36517603", "access_depth": "abstract_metadata", "access_note": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "relates_to_subclaims": [ "SC1", "SC2", "SC3" ], "favors_models": [], "evidence_class": "Weak", "system": "human observational", "decisive_perturbation": false, "endogenous": false, "direction": "supports", "what_it_shows": "Autopsy work detected long-lasting SARS-CoV-2 RNA in multiple organs.", "what_it_does_not_show": "Predominantly severe/fatal disease and limited local injury do not establish a dominant cause of typical Long COVID.", "confounders_present": [ "Predominantly severe/fatal disease and limited local injury do not establish a dominant cause of typical Long COVID." ], "verification": "verified", "verification_note": "Bounded source attribution; not proof of the nominal mechanism.", "citation_context": { "retrieved": false, "supporting_count": 0, "mentioning_count": 0, "contrasting_count": 0, "notable_contrasting_statements": [] }, "shared_components": [] }, { "n": 26, "pmid": "37717649", "title": "Vaccination after developing long COVID: Impact on clinical presentation, viral persistence, and immune responses.", "citation": "Nayyerabadi M, Fourcade L, Joshi SA et al. Vaccination after developing long COVID: Impact on clinical presentation, viral persistence, and immune responses. International journal of infectious diseases : IJID : official publication of the International Society for Infectious Diseases. 2023.", "doi": "10.1016/j.ijid.2023.09.006", "pmcid": "", "url": "https://pubmed.ncbi.nlm.nih.gov/37717649/", "source_pointer": "https://pubmed.ncbi.nlm.nih.gov/37717649/", "tier": "A", "source_tier": "A", "kind": "primary", "status_flags": [ "ErratumIn: PMID39983460" ], "opened": true, "opened_on": "2026-10-10", "status_checked_on": "2026-10-10", "study_id": "PMID37717649", "access_depth": "abstract_metadata", "access_note": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "relates_to_subclaims": [ "SC1", "SC2", "SC3" ], "favors_models": [], "evidence_class": "Weak", "system": "human observational", "decisive_perturbation": false, "endogenous": false, "direction": "supports", "what_it_shows": "An observational vaccination study reported symptom changes alongside persistent antigen findings.", "what_it_does_not_show": "Vaccination has multiple effects and was not randomized selective reservoir clearance; an erratum is attached.", "confounders_present": [ "Vaccination has multiple effects and was not randomized selective reservoir clearance; an erratum is attached." ], "verification": "verified", "verification_note": "Bounded source attribution; not proof of the nominal mechanism.", "citation_context": { "retrieved": false, "supporting_count": 0, "mentioning_count": 0, "contrasting_count": 0, "notable_contrasting_statements": [] }, "shared_components": [] }, { "n": 27, "pmid": "39847575", "title": "Persistent symptoms and clinical findings in adults with post-acute sequelae of COVID-19/post-COVID-19 syndrome in the second year after acute infection: A population-based, nested case-control study.", "citation": "Peter RS, Nieters A, Göpel S et al. Persistent symptoms and clinical findings in adults with post-acute sequelae of COVID-19/post-COVID-19 syndrome in the second year after acute infection: A population-based, nested case-control study. PLoS medicine. 2025.", "doi": "10.1371/journal.pmed.1004511", "pmcid": "PMC12005676", "url": "https://pubmed.ncbi.nlm.nih.gov/39847575/", "source_pointer": "https://pubmed.ncbi.nlm.nih.gov/39847575/", "tier": "A", "source_tier": "A", "kind": "primary", "status_flags": [ "none_found" ], "opened": true, "opened_on": "2026-10-10", "status_checked_on": "2026-10-10", "study_id": "PMID39847575", "access_depth": "abstract_metadata", "access_note": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "relates_to_subclaims": [ "SC1", "SC2", "SC3" ], "favors_models": [], "evidence_class": "Weak", "system": "human observational", "decisive_perturbation": false, "endogenous": false, "direction": "supports", "what_it_shows": "Population follow-up documented heterogeneous persistence and reinfection-related trajectories.", "what_it_does_not_show": "Phenotype trajectories do not identify a common reservoir mechanism.", "confounders_present": [ "Phenotype trajectories do not identify a common reservoir mechanism." ], "verification": "verified", "verification_note": "Bounded source attribution; not proof of the nominal mechanism.", "citation_context": { "retrieved": false, "supporting_count": 0, "mentioning_count": 0, "contrasting_count": 0, "notable_contrasting_statements": [] }, "shared_components": [] }, { "n": 28, "pmid": "35216672", "title": "Multiple early factors anticipate post-acute COVID-19 sequelae.", "citation": "Su Y, Yuan D, Chen DG et al. Multiple early factors anticipate post-acute COVID-19 sequelae. Cell. 2022.", "doi": "10.1016/j.cell.2022.01.014", "pmcid": "PMC8786632", "url": "https://pubmed.ncbi.nlm.nih.gov/35216672/", "source_pointer": "https://pubmed.ncbi.nlm.nih.gov/35216672/", "tier": "A", "source_tier": "A", "kind": "primary", "status_flags": [ "none_found" ], "opened": true, "opened_on": "2026-10-10", "status_checked_on": "2026-10-10", "study_id": "PMID35216672", "access_depth": "abstract_metadata", "access_note": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "relates_to_subclaims": [ "SC1", "SC2", "SC3" ], "favors_models": [], "evidence_class": "Weak", "system": "human observational", "decisive_perturbation": false, "endogenous": false, "direction": "supports", "what_it_shows": "Early RNAemia, autoantibodies, EBV signals and diabetes predicted later sequelae.", "what_it_does_not_show": "Temporal predictors can mark acute severity or susceptibility without being the maintenance mechanism.", "confounders_present": [ "Temporal predictors can mark acute severity or susceptibility without being the maintenance mechanism." ], "verification": "verified", "verification_note": "Bounded source attribution; not proof of the nominal mechanism.", "citation_context": { "retrieved": false, "supporting_count": 0, "mentioning_count": 0, "contrasting_count": 0, "notable_contrasting_statements": [] }, "shared_components": [] }, { "n": 29, "pmid": "37748514", "title": "Distinguishing features of long COVID identified through immune profiling.", "citation": "Klein J, Wood J, Jaycox JR et al. Distinguishing features of long COVID identified through immune profiling. Nature. 2023.", "doi": "10.1038/s41586-023-06651-y", "pmcid": "PMC10620090", "url": "https://pubmed.ncbi.nlm.nih.gov/37748514/", "source_pointer": "https://pubmed.ncbi.nlm.nih.gov/37748514/", "tier": "A", "source_tier": "A", "kind": "primary", "status_flags": [ "UpdateOf: PMID35982667" ], "opened": true, "opened_on": "2026-10-10", "status_checked_on": "2026-10-10", "study_id": "PMID37748514", "access_depth": "abstract_metadata", "access_note": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "relates_to_subclaims": [ "SC1", "SC2", "SC3" ], "favors_models": [], "evidence_class": "Weak", "system": "human observational", "decisive_perturbation": false, "endogenous": false, "direction": "supports", "what_it_shows": "Long-COVID immune profiling identified cortisol and antiviral immune differences.", "what_it_does_not_show": "Cross-sectional profiles are not targeted mediator perturbation; an updated preprint is not a separate source.", "confounders_present": [ "Cross-sectional profiles are not targeted mediator perturbation; an updated preprint is not a separate source." ], "verification": "verified", "verification_note": "Bounded source attribution; not proof of the nominal mechanism.", "citation_context": { "retrieved": false, "supporting_count": 0, "mentioning_count": 0, "contrasting_count": 0, "notable_contrasting_statements": [] }, "shared_components": [] }, { "n": 30, "pmid": "39615487", "title": "Persistence of spike protein at the skull-meninges-brain axis may contribute to the neurological sequelae of COVID-19.", "citation": "Rong Z, Mai H, Ebert G et al. Persistence of spike protein at the skull-meninges-brain axis may contribute to the neurological sequelae of COVID-19. Cell host & microbe. 2024.", "doi": "10.1016/j.chom.2024.11.007", "pmcid": "", "url": "https://pubmed.ncbi.nlm.nih.gov/39615487/", "source_pointer": "https://pubmed.ncbi.nlm.nih.gov/39615487/", "tier": "A", "source_tier": "A", "kind": "primary", "status_flags": [ "none_found" ], "opened": true, "opened_on": "2026-10-10", "status_checked_on": "2026-10-10", "study_id": "PMID39615487", "access_depth": "abstract_metadata", "access_note": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "relates_to_subclaims": [ "SC1", "SC2", "SC3" ], "favors_models": [], "evidence_class": "Moderate", "system": "animal model", "decisive_perturbation": false, "endogenous": false, "direction": "supports", "what_it_shows": "Human brain-border spike findings and mouse spike exposure supported a possible neuroimmune pathway.", "what_it_does_not_show": "Exogenous spike administration is not endogenous human reservoir necessity or sufficient explanation of the syndrome.", "confounders_present": [ "Exogenous spike administration is not endogenous human reservoir necessity or sufficient explanation of the syndrome." ], "verification": "verified", "verification_note": "Bounded source attribution; not proof of the nominal mechanism.", "citation_context": { "retrieved": false, "supporting_count": 0, "mentioning_count": 0, "contrasting_count": 0, "notable_contrasting_statements": [] }, "shared_components": [] }, { "n": 31, "pmid": "38959327", "title": "Tissue-based T cell activation and viral RNA persist for up to 2 years after SARS-CoV-2 infection.", "citation": "Peluso MJ, Ryder D, Flavell RR et al. Tissue-based T cell activation and viral RNA persist for up to 2 years after SARS-CoV-2 infection. Science translational medicine. 2024.", "doi": "10.1126/scitranslmed.adk3295", "pmcid": "PMC11337933", "url": "https://pubmed.ncbi.nlm.nih.gov/38959327/", "source_pointer": "https://pubmed.ncbi.nlm.nih.gov/38959327/", "tier": "A", "source_tier": "A", "kind": "primary", "status_flags": [ "none_found" ], "opened": true, "opened_on": "2026-10-10", "status_checked_on": "2026-10-10", "study_id": "PMID38959327", "access_depth": "full_text_partial", "access_note": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. Selected body sections: 1:RESULTS:paragraph14, 1:RESULTS:paragraph15, 1:RESULTS:paragraph16. No complete-paper or supplement audit claimed.", "relates_to_subclaims": [ "SC1", "SC2", "SC3" ], "favors_models": [], "evidence_class": "Weak", "system": "human observational", "decisive_perturbation": false, "endogenous": false, "direction": "supports", "what_it_shows": "PET revealed prolonged tissue T-cell activation; selected gut biopsies contained focal viral RNA signals.", "what_it_does_not_show": "All five biopsied participants were symptomatic; absent asymptomatic biopsy controls and negative bulk PCR restrict causal interpretation.", "confounders_present": [ "All five biopsied participants were symptomatic; absent asymptomatic biopsy controls and negative bulk PCR restrict causal interpretation." ], "verification": "verified", "verification_note": "Bounded source attribution; not proof of the nominal mechanism.", "citation_context": { "retrieved": false, "supporting_count": 0, "mentioning_count": 0, "contrasting_count": 0, "notable_contrasting_statements": [] }, "shared_components": [] }, { "n": 32, "pmid": "41036702", "title": "Circulating Microclots Are Structurally Associated With Neutrophil Extracellular Traps and Their Amounts Are Elevated in Long COVID Patients.", "citation": "Thierry AR, Usher T, Sanchez C et al. Circulating Microclots Are Structurally Associated With Neutrophil Extracellular Traps and Their Amounts Are Elevated in Long COVID Patients. Journal of medical virology. 2025.", "doi": "10.1002/jmv.70613", "pmcid": "PMC12489976", "url": "https://pubmed.ncbi.nlm.nih.gov/41036702/", "source_pointer": "https://pubmed.ncbi.nlm.nih.gov/41036702/", "tier": "A", "source_tier": "A", "kind": "primary", "status_flags": [ "none_found" ], "opened": true, "opened_on": "2026-10-10", "status_checked_on": "2026-10-10", "study_id": "PMID41036702", "access_depth": "abstract_metadata", "access_note": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "relates_to_subclaims": [ "SC1", "SC2", "SC3" ], "favors_models": [], "evidence_class": "Weak", "system": "human observational", "decisive_perturbation": false, "endogenous": false, "direction": "supports", "what_it_shows": "Structural analyses associated microclot/NET features with Long COVID.", "what_it_does_not_show": "Structural presence does not establish necessity, sufficiency or upstream timing.", "confounders_present": [ "Structural presence does not establish necessity, sufficiency or upstream timing." ], "verification": "verified", "verification_note": "Bounded source attribution; not proof of the nominal mechanism.", "citation_context": { "retrieved": false, "supporting_count": 0, "mentioning_count": 0, "contrasting_count": 0, "notable_contrasting_statements": [] }, "shared_components": [] }, { "n": 33, "pmid": "39615603", "title": "Upregulation of olfactory receptors and neuronal-associated genes highlights complex immune and neuronal dysregulation in Long COVID patients.", "citation": "Shahbaz S, Rezaeifar M, Syed H et al. Upregulation of olfactory receptors and neuronal-associated genes highlights complex immune and neuronal dysregulation in Long COVID patients. Brain, behavior, and immunity. 2025.", "doi": "10.1016/j.bbi.2024.11.032", "pmcid": "", "url": "https://pubmed.ncbi.nlm.nih.gov/39615603/", "source_pointer": "https://pubmed.ncbi.nlm.nih.gov/39615603/", "tier": "A", "source_tier": "A", "kind": "primary", "status_flags": [ "none_found" ], "opened": true, "opened_on": "2026-10-10", "status_checked_on": "2026-10-10", "study_id": "PMID39615603", "access_depth": "abstract_metadata", "access_note": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "relates_to_subclaims": [ "SC1", "SC2", "SC3" ], "favors_models": [], "evidence_class": "Weak", "system": "human observational", "decisive_perturbation": false, "endogenous": false, "direction": "supports", "what_it_shows": "Transcriptomic profiling linked Long-COVID/ME-CFS phenotypes to immune and neural pathways.", "what_it_does_not_show": "Expression patterns and potentially related recruitment do not establish an independent causal mechanism.", "confounders_present": [ "Expression patterns and potentially related recruitment do not establish an independent causal mechanism." ], "verification": "verified", "verification_note": "Bounded source attribution; not proof of the nominal mechanism.", "citation_context": { "retrieved": false, "supporting_count": 0, "mentioning_count": 0, "contrasting_count": 0, "notable_contrasting_statements": [] }, "shared_components": [] }, { "n": 34, "pmid": "36226380", "title": "Persistence of neutrophil extracellular traps and anticardiolipin auto-antibodies in post-acute phase COVID-19 patients.", "citation": "Pisareva E, Badiou S, Mihalovičová L et al. Persistence of neutrophil extracellular traps and anticardiolipin auto-antibodies in post-acute phase COVID-19 patients. Journal of medical virology. 2023.", "doi": "10.1002/jmv.28209", "pmcid": "PMC9874393", "url": "https://pubmed.ncbi.nlm.nih.gov/36226380/", "source_pointer": "https://pubmed.ncbi.nlm.nih.gov/36226380/", "tier": "A", "source_tier": "A", "kind": "primary", "status_flags": [ "none_found" ], "opened": true, "opened_on": "2026-10-10", "status_checked_on": "2026-10-10", "study_id": "PMID36226380", "access_depth": "abstract_metadata", "access_note": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "relates_to_subclaims": [ "SC1", "SC2", "SC3" ], "favors_models": [], "evidence_class": "Weak", "system": "human observational", "decisive_perturbation": false, "endogenous": false, "direction": "supports", "what_it_shows": "Post-acute samples showed NET-associated marker changes.", "what_it_does_not_show": "Markers do not establish that NET blockade changes clinical disease.", "confounders_present": [ "Markers do not establish that NET blockade changes clinical disease." ], "verification": "verified", "verification_note": "Bounded source attribution; not proof of the nominal mechanism.", "citation_context": { "retrieved": false, "supporting_count": 0, "mentioning_count": 0, "contrasting_count": 0, "notable_contrasting_statements": [] }, "shared_components": [] }, { "n": 35, "pmid": "39536117", "title": "Sex differences and immune correlates of Long Covid development, symptom persistence, and resolution.", "citation": "Hamlin RE, Pienkos SM, Chan L et al. Sex differences and immune correlates of Long Covid development, symptom persistence, and resolution. Science translational medicine. 2024.", "doi": "10.1126/scitranslmed.adr1032", "pmcid": "PMC12148066", "url": "https://pubmed.ncbi.nlm.nih.gov/39536117/", "source_pointer": "https://pubmed.ncbi.nlm.nih.gov/39536117/", "tier": "A", "source_tier": "A", "kind": "primary", "status_flags": [ "UpdateOf: PMID38948732" ], "opened": true, "opened_on": "2026-10-10", "status_checked_on": "2026-10-10", "study_id": "PMID39536117", "access_depth": "abstract_metadata", "access_note": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "relates_to_subclaims": [ "SC1", "SC2", "SC3" ], "favors_models": [], "evidence_class": "Weak", "system": "human observational", "decisive_perturbation": false, "endogenous": false, "direction": "supports", "what_it_shows": "Longitudinal profiling identified sex-specific immune trajectories and symptom associations.", "what_it_does_not_show": "Observed trajectories do not manipulate the mediator; the linked preprint is not independent evidence.", "confounders_present": [ "Observed trajectories do not manipulate the mediator; the linked preprint is not independent evidence." ], "verification": "verified", "verification_note": "Bounded source attribution; not proof of the nominal mechanism.", "citation_context": { "retrieved": false, "supporting_count": 0, "mentioning_count": 0, "contrasting_count": 0, "notable_contrasting_statements": [] }, "shared_components": [] }, { "n": 36, "pmid": "36425003", "title": "Autoantibodies against SUMO1-DHX35 in long-COVID.", "citation": "Thurner L, Fadle N, Regitz E et al. Autoantibodies against SUMO1-DHX35 in long-COVID. Journal of translational autoimmunity. 2022.", "doi": "10.1016/j.jtauto.2022.100171", "pmcid": "PMC9675633", "url": "https://pubmed.ncbi.nlm.nih.gov/36425003/", "source_pointer": "https://pubmed.ncbi.nlm.nih.gov/36425003/", "tier": "A", "source_tier": "A", "kind": "primary", "status_flags": [ "none_found" ], "opened": true, "opened_on": "2026-10-10", "status_checked_on": "2026-10-10", "study_id": "PMID36425003", "access_depth": "abstract_metadata", "access_note": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "relates_to_subclaims": [ "SC1", "SC2", "SC3" ], "favors_models": [], "evidence_class": "Weak", "system": "human observational", "decisive_perturbation": false, "endogenous": false, "direction": "supports", "what_it_shows": "Selected female patients had SUMO1-DHX35 antibody findings and antigen assays.", "what_it_does_not_show": "Small subgroup and binding assays do not demonstrate antibody pathogenicity or syndrome-wide primacy.", "confounders_present": [ "Small subgroup and binding assays do not demonstrate antibody pathogenicity or syndrome-wide primacy." ], "verification": "verified", "verification_note": "Bounded source attribution; not proof of the nominal mechanism.", "citation_context": { "retrieved": false, "supporting_count": 0, "mentioning_count": 0, "contrasting_count": 0, "notable_contrasting_statements": [] }, "shared_components": [] }, { "n": 37, "pmid": "36341457", "title": "Saliva antibody-fingerprint of reactivated latent viruses after mild/asymptomatic COVID-19 is unique in patients with myalgic-encephalomyelitis/chronic fatigue syndrome.", "citation": "Apostolou E, Rizwan M, Moustardas P et al. Saliva antibody-fingerprint of reactivated latent viruses after mild/asymptomatic COVID-19 is unique in patients with myalgic-encephalomyelitis/chronic fatigue syndrome. Frontiers in immunology. 2022.", "doi": "10.3389/fimmu.2022.949787", "pmcid": "PMC9630598", "url": "https://pubmed.ncbi.nlm.nih.gov/36341457/", "source_pointer": "https://pubmed.ncbi.nlm.nih.gov/36341457/", "tier": "A", "source_tier": "A", "kind": "primary", "status_flags": [ "none_found" ], "opened": true, "opened_on": "2026-10-10", "status_checked_on": "2026-10-10", "study_id": "PMID36341457", "access_depth": "abstract_metadata", "access_note": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "relates_to_subclaims": [ "SC1", "SC2", "SC3" ], "favors_models": [], "evidence_class": "Weak", "system": "human observational", "decisive_perturbation": false, "endogenous": false, "direction": "supports", "what_it_shows": "Salivary antibody patterns were consistent with altered herpesvirus/HERV-related responses.", "what_it_does_not_show": "Antibodies are indirect reactivation proxies and are not proof of a SARS-CoV-2 reservoir cause.", "confounders_present": [ "Antibodies are indirect reactivation proxies and are not proof of a SARS-CoV-2 reservoir cause." ], "verification": "verified", "verification_note": "Bounded source attribution; not proof of the nominal mechanism.", "citation_context": { "retrieved": false, "supporting_count": 0, "mentioning_count": 0, "contrasting_count": 0, "notable_contrasting_statements": [] }, "shared_components": [] }, { "n": 38, "pmid": "38663423", "title": "The persistence of SARS-CoV-2 in tissues and its association with long COVID symptoms: a cross-sectional cohort study in China.", "citation": "Zuo W, He D, Liang C et al. The persistence of SARS-CoV-2 in tissues and its association with long COVID symptoms: a cross-sectional cohort study in China. The Lancet. Infectious diseases. 2024.", "doi": "10.1016/S1473-3099(24)00171-3", "pmcid": "", "url": "https://pubmed.ncbi.nlm.nih.gov/38663423/", "source_pointer": "https://pubmed.ncbi.nlm.nih.gov/38663423/", "tier": "A", "source_tier": "A", "kind": "primary", "status_flags": [ "none_found" ], "opened": true, "opened_on": "2026-10-10", "status_checked_on": "2026-10-10", "study_id": "PMID38663423", "access_depth": "abstract_metadata", "access_note": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "relates_to_subclaims": [ "SC1", "SC2", "SC3" ], "favors_models": [], "evidence_class": "Weak", "system": "human observational", "decisive_perturbation": false, "endogenous": false, "direction": "supports", "what_it_shows": "Tissue RNA detection in a Chinese cohort was associated with Long-COVID symptoms.", "what_it_does_not_show": "Selected biopsies, cross-sectional measurement and reverse causation remain.", "confounders_present": [ "Selected biopsies, cross-sectional measurement and reverse causation remain." ], "verification": "verified", "verification_note": "Bounded source attribution; not proof of the nominal mechanism.", "citation_context": { "retrieved": false, "supporting_count": 0, "mentioning_count": 0, "contrasting_count": 0, "notable_contrasting_statements": [] }, "shared_components": [] }, { "n": 39, "pmid": "38236961", "title": "Persistent complement dysregulation with signs of thromboinflammation in active Long Covid.", "citation": "Cervia-Hasler C, Brüningk SC, Hoch T et al. 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Long COVID manifests with T cell dysregulation, inflammation and an uncoordinated adaptive immune response to SARS-CoV-2. Nature immunology. 2024.", "doi": "10.1038/s41590-023-01724-6", "pmcid": "PMC10834368", "url": "https://pubmed.ncbi.nlm.nih.gov/38212464/", "source_pointer": "https://pubmed.ncbi.nlm.nih.gov/38212464/", "tier": "A", "source_tier": "A", "kind": "primary", "status_flags": [ "UpdateOf: PMID36798286" ], "opened": true, "opened_on": "2026-10-10", "status_checked_on": "2026-10-10", "study_id": "PMID38212464", "access_depth": "abstract_metadata", "access_note": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. 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Seasonal Coronavirus-Induced Immunological Imprinting and Previous Herpesvirus Infections in Patients With Long COVID. Journal of medical virology. 2025.", "doi": "10.1002/jmv.70582", "pmcid": "PMC12397718", "url": "https://pubmed.ncbi.nlm.nih.gov/40884088/", "source_pointer": "https://pubmed.ncbi.nlm.nih.gov/40884088/", "tier": "A", "source_tier": "A", "kind": "primary", "status_flags": [ "none_found" ], "opened": true, "opened_on": "2026-10-10", "status_checked_on": "2026-10-10", "study_id": "PMID40884088", "access_depth": "abstract_metadata", "access_note": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. 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Persistent Autoimmune Activation and Proinflammatory State in Post-Coronavirus Disease 2019 Syndrome. The Journal of infectious diseases. 2022.", "doi": "10.1093/infdis/jiac017", "pmcid": "PMC8903340", "url": "https://pubmed.ncbi.nlm.nih.gov/35079804/", "source_pointer": "https://pubmed.ncbi.nlm.nih.gov/35079804/", "tier": "A", "source_tier": "A", "kind": "primary", "status_flags": [ "none_found" ], "opened": true, "opened_on": "2026-10-10", "status_checked_on": "2026-10-10", "study_id": "PMID35079804", "access_depth": "abstract_metadata", "access_note": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. 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Small Fiber Neuropathy in Long COVID: A Cohort Study with Multimodal Assessment and Follow-Up. European neurology. 2025.", "doi": "10.1159/000546015", "pmcid": "", "url": "https://pubmed.ncbi.nlm.nih.gov/40460818/", "source_pointer": "https://pubmed.ncbi.nlm.nih.gov/40460818/", "tier": "A", "source_tier": "A", "kind": "primary", "status_flags": [ "none_found" ], "opened": true, "opened_on": "2026-10-10", "status_checked_on": "2026-10-10", "study_id": "PMID40460818", "access_depth": "abstract_metadata", "access_note": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "relates_to_subclaims": [ "SC1", "SC2", "SC3" ], "favors_models": [], "evidence_class": "Weak", "system": "human observational", "decisive_perturbation": false, "endogenous": false, "direction": "supports", "what_it_shows": "Selected patients with autonomic complaints had small-fiber biopsy abnormalities.", "what_it_does_not_show": "Small selected case series without a viral or neural intervention cannot determine causation.", "confounders_present": [ "Small selected case series without a viral or neural intervention cannot determine causation." ], "verification": "verified", "verification_note": "Bounded source attribution; not proof of the nominal mechanism.", "citation_context": { "retrieved": false, "supporting_count": 0, "mentioning_count": 0, "contrasting_count": 0, "notable_contrasting_statements": [] }, "shared_components": [] }, { "n": 46, "pmid": "41274384", "title": "Autonomic dysfunction and vasoregulation in long COVID-19 are linked to anti-GPCR autoantibodies.", "citation": "Schmitz B, Garbsch R, Schäfer H et al. Autonomic dysfunction and vasoregulation in long COVID-19 are linked to anti-GPCR autoantibodies. The Journal of allergy and clinical immunology. 2026.", "doi": "10.1016/j.jaci.2025.10.034", "pmcid": "", "url": "https://pubmed.ncbi.nlm.nih.gov/41274384/", "source_pointer": "https://pubmed.ncbi.nlm.nih.gov/41274384/", "tier": "A", "source_tier": "A", "kind": "primary", "status_flags": [ "none_found" ], "opened": true, "opened_on": "2026-10-10", "status_checked_on": "2026-10-10", "study_id": "PMID41274384", "access_depth": "abstract_metadata", "access_note": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "relates_to_subclaims": [ "SC1", "SC2", "SC3" ], "favors_models": [], "evidence_class": "Weak", "system": "human observational", "decisive_perturbation": false, "endogenous": false, "direction": "supports", "what_it_shows": "GPCR antibodies associated with vascular regulation measures but lacked the tested cardiomyocyte beating effect.", "what_it_does_not_show": "One negative functional assay does not exclude all antibody effects, while association alone does not establish them.", "confounders_present": [ "One negative functional assay does not exclude all antibody effects, while association alone does not establish them." ], "verification": "verified", "verification_note": "Bounded source attribution; not proof of the nominal mechanism.", "citation_context": { "retrieved": false, "supporting_count": 0, "mentioning_count": 0, "contrasting_count": 0, "notable_contrasting_statements": [] }, "shared_components": [] }, { "n": 47, "pmid": "38066589", "title": "Post-COVID exercise intolerance is associated with capillary alterations and immune dysregulations in skeletal muscles.", "citation": "Aschman T, Wyler E, Baum O et al. Post-COVID exercise intolerance is associated with capillary alterations and immune dysregulations in skeletal muscles. Acta neuropathologica communications. 2023.", "doi": "10.1186/s40478-023-01662-2", "pmcid": "PMC10704838", "url": "https://pubmed.ncbi.nlm.nih.gov/38066589/", "source_pointer": "https://pubmed.ncbi.nlm.nih.gov/38066589/", "tier": "A", "source_tier": "A", "kind": "primary", "status_flags": [ "none_found" ], "opened": true, "opened_on": "2026-10-10", "status_checked_on": "2026-10-10", "study_id": "PMID38066589", "access_depth": "abstract_metadata", "access_note": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "relates_to_subclaims": [ "SC1", "SC2", "SC3" ], "favors_models": [], "evidence_class": "Weak", "system": "human observational", "decisive_perturbation": false, "endogenous": false, "direction": "supports", "what_it_shows": "Long-COVID muscle biopsies showed immune/microvascular changes without detected muscle SARS-CoV-2 RNA.", "what_it_does_not_show": "Historical controls and a sampled tissue's negative assay do not establish whole-body viral clearance.", "confounders_present": [ "Historical controls and a sampled tissue's negative assay do not establish whole-body viral clearance." ], "verification": "verified", "verification_note": "Bounded source attribution; not proof of the nominal mechanism.", "citation_context": { "retrieved": false, "supporting_count": 0, "mentioning_count": 0, "contrasting_count": 0, "notable_contrasting_statements": [] }, "shared_components": [] }, { "n": 48, "pmid": "38177128", "title": "Muscle abnormalities worsen after post-exertional malaise in long COVID.", "citation": "Appelman B, Charlton BT, Goulding RP et al. Muscle abnormalities worsen after post-exertional malaise in long COVID. Nature communications. 2024.", "doi": "10.1038/s41467-023-44432-3", "pmcid": "PMC10766651", "url": "https://pubmed.ncbi.nlm.nih.gov/38177128/", "source_pointer": "https://pubmed.ncbi.nlm.nih.gov/38177128/", "tier": "A", "source_tier": "A", "kind": "primary", "status_flags": [ "none_found" ], "opened": true, "opened_on": "2026-10-10", "status_checked_on": "2026-10-10", "study_id": "NCT05225688", "access_depth": "abstract_metadata", "access_note": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "relates_to_subclaims": [ "SC1", "SC2", "SC3" ], "favors_models": [], "evidence_class": "Weak", "system": "human observational", "decisive_perturbation": false, "endogenous": false, "direction": "supports", "what_it_shows": "Exercise provocation revealed postexertional muscle injury and metabolic dysfunction.", "what_it_does_not_show": "Provoked downstream injury does not identify a viral maintenance mechanism.", "confounders_present": [ "Provoked downstream injury does not identify a viral maintenance mechanism." ], "verification": "verified", "verification_note": "Bounded source attribution; not proof of the nominal mechanism.", "citation_context": { "retrieved": false, "supporting_count": 0, "mentioning_count": 0, "contrasting_count": 0, "notable_contrasting_statements": [] }, "shared_components": [] }, { "n": 49, "pmid": "42208499", "title": "A causal link between autoantibodies and neurological symptoms in long COVID.", "citation": "de Sá KSG, Silva J, Bayarri-Olmos R et al. A causal link between autoantibodies and neurological symptoms in long COVID. Cell. 2026.", "doi": "10.1016/j.cell.2026.04.042", "pmcid": "PMC13501478", "url": "https://pubmed.ncbi.nlm.nih.gov/42208499/", "source_pointer": "https://pubmed.ncbi.nlm.nih.gov/42208499/", "tier": "A", "source_tier": "A", "kind": "primary", "status_flags": [ "UpdateOf: PMID38947091" ], "opened": true, "opened_on": "2026-10-10", "status_checked_on": "2026-10-10", "study_id": "PMID42208499", "access_depth": "abstract_metadata", "access_note": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "relates_to_subclaims": [ "SC1", "SC2", "SC3" ], "favors_models": [], "evidence_class": "Moderate", "system": "animal model", "decisive_perturbation": true, "endogenous": false, "direction": "supports", "what_it_shows": "Transfer of patient IgG caused selected fatigue/pain/nerve phenotypes in mice.", "what_it_does_not_show": "Passive transfer supports model pathogenic potential, not endogenous human necessity or a single cause across Long COVID.", "confounders_present": [ "Passive transfer supports model pathogenic potential, not endogenous human necessity or a single cause across Long COVID." ], "verification": "verified", "verification_note": "Bounded source attribution; not proof of the nominal mechanism.", "citation_context": { "retrieved": false, "supporting_count": 0, "mentioning_count": 0, "contrasting_count": 0, "notable_contrasting_statements": [] }, "shared_components": [] }, { "n": 50, "pmid": "35296346", "title": "Autoimmunity is a hallmark of post-COVID syndrome.", "citation": "Rojas M, Rodríguez Y, Acosta-Ampudia Y et al. Autoimmunity is a hallmark of post-COVID syndrome. Journal of translational medicine. 2022.", "doi": "10.1186/s12967-022-03328-4", "pmcid": "PMC8924736", "url": "https://pubmed.ncbi.nlm.nih.gov/35296346/", "source_pointer": "https://pubmed.ncbi.nlm.nih.gov/35296346/", "tier": "A", "source_tier": "A", "kind": "primary", "status_flags": [ "none_found" ], "opened": true, "opened_on": "2026-10-10", "status_checked_on": "2026-10-10", "study_id": "PMID35296346", "access_depth": "abstract_metadata", "access_note": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "relates_to_subclaims": [ "SC1", "SC2", "SC3" ], "favors_models": [], "evidence_class": "Weak", "system": "human observational", "decisive_perturbation": false, "endogenous": false, "direction": "supports", "what_it_shows": "Autoantibody findings were common in a selected post-COVID cohort.", "what_it_does_not_show": "Prevalence and binding do not establish pathogenic function; related commentary is not additional evidence.", "confounders_present": [ "Prevalence and binding do not establish pathogenic function; related commentary is not additional evidence." ], "verification": "verified", "verification_note": "Bounded source attribution; not proof of the nominal mechanism.", "citation_context": { "retrieved": false, "supporting_count": 0, "mentioning_count": 0, "contrasting_count": 0, "notable_contrasting_statements": [] }, "shared_components": [] }, { "n": 51, "pmid": "35732153", "title": "The IL-1β, IL-6, and TNF cytokine triad is associated with post-acute sequelae of COVID-19.", "citation": "Schultheiß C, Willscher E, Paschold L et al. The IL-1β, IL-6, and TNF cytokine triad is associated with post-acute sequelae of COVID-19. Cell reports. Medicine. 2022.", "doi": "10.1016/j.xcrm.2022.100663", "pmcid": "PMC9214726", "url": "https://pubmed.ncbi.nlm.nih.gov/35732153/", "source_pointer": "https://pubmed.ncbi.nlm.nih.gov/35732153/", "tier": "A", "source_tier": "A", "kind": "primary", "status_flags": [ "none_found" ], "opened": true, "opened_on": "2026-10-10", "status_checked_on": "2026-10-10", "study_id": "PMID35732153", "access_depth": "abstract_metadata", "access_note": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "relates_to_subclaims": [ "SC1", "SC2", "SC3" ], "favors_models": [], "evidence_class": "Weak", "system": "human observational", "decisive_perturbation": false, "endogenous": false, "direction": "supports", "what_it_shows": "Post-acute cytokine changes were associated with persistent sequelae without a corresponding autoantibody pattern.", "what_it_does_not_show": "Immune heterogeneity does not identify a universal mechanism.", "confounders_present": [ "Immune heterogeneity does not identify a universal mechanism." ], "verification": "verified", "verification_note": "Bounded source attribution; not proof of the nominal mechanism.", "citation_context": { "retrieved": false, "supporting_count": 0, "mentioning_count": 0, "contrasting_count": 0, "notable_contrasting_statements": [] }, "shared_components": [] }, { "n": 52, "pmid": "36137590", "title": "Circulating anti-nuclear autoantibodies in COVID-19 survivors predict long COVID symptoms.", "citation": "Son K, Jamil R, Chowdhury A et al. Circulating anti-nuclear autoantibodies in COVID-19 survivors predict long COVID symptoms. The European respiratory journal. 2023.", "doi": "10.1183/13993003.00970-2022", "pmcid": "PMC9515477", "url": "https://pubmed.ncbi.nlm.nih.gov/36137590/", "source_pointer": "https://pubmed.ncbi.nlm.nih.gov/36137590/", "tier": "A", "source_tier": "A", "kind": "primary", "status_flags": [ "none_found" ], "opened": true, "opened_on": "2026-10-10", "status_checked_on": "2026-10-10", "study_id": "PMID36137590", "access_depth": "abstract_metadata", "access_note": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "relates_to_subclaims": [ "SC1", "SC2", "SC3" ], "favors_models": [], "evidence_class": "Weak", "system": "human observational", "decisive_perturbation": false, "endogenous": false, "direction": "supports", "what_it_shows": "Persistent antinuclear antibody titers tracked selected symptom trajectories.", "what_it_does_not_show": "Longitudinal association does not establish necessity or primary direction.", "confounders_present": [ "Longitudinal association does not establish necessity or primary direction." ], "verification": "verified", "verification_note": "Bounded source attribution; not proof of the nominal mechanism.", "citation_context": { "retrieved": false, "supporting_count": 0, "mentioning_count": 0, "contrasting_count": 0, "notable_contrasting_statements": [] }, "shared_components": [] }, { "n": 53, "pmid": "40724994", "title": "Functional Autoantibodies Targeting G-Protein-Coupled Receptors and Their Clinical Phenotype in Patients with Long-COVID.", "citation": "Hofmann S, Lucio M, Wallukat G et al. Functional Autoantibodies Targeting G-Protein-Coupled Receptors and Their Clinical Phenotype in Patients with Long-COVID. International journal of molecular sciences. 2025.", "doi": "10.3390/ijms26146746", "pmcid": "PMC12294817", "url": "https://pubmed.ncbi.nlm.nih.gov/40724994/", "source_pointer": "https://pubmed.ncbi.nlm.nih.gov/40724994/", "tier": "A", "source_tier": "A", "kind": "primary", "status_flags": [ "none_found" ], "opened": true, "opened_on": "2026-10-10", "status_checked_on": "2026-10-10", "study_id": "PMID40724994", "access_depth": "abstract_metadata", "access_note": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "relates_to_subclaims": [ "SC1", "SC2", "SC3" ], "favors_models": [], "evidence_class": "Weak", "system": "human observational", "decisive_perturbation": false, "endogenous": false, "direction": "supports", "what_it_shows": "A selected cohort showed functional GPCR-antibody bioassay signals associated with symptoms.", "what_it_does_not_show": "Assay specificity and lack of adequate causal controls constrain human mechanism inference.", "confounders_present": [ "Assay specificity and lack of adequate causal controls constrain human mechanism inference." ], "verification": "verified", "verification_note": "Bounded source attribution; not proof of the nominal mechanism.", "citation_context": { "retrieved": false, "supporting_count": 0, "mentioning_count": 0, "contrasting_count": 0, "notable_contrasting_statements": [] }, "shared_components": [] }, { "n": 54, "pmid": "38522030", "title": "Age-related transcript changes in type I interferon signaling in children and adolescents with long COVID.", "citation": "Fracella M, Mancino E, Nenna R et al. Age-related transcript changes in type I interferon signaling in children and adolescents with long COVID. European journal of immunology. 2024.", "doi": "10.1002/eji.202350682", "pmcid": "", "url": "https://pubmed.ncbi.nlm.nih.gov/38522030/", "source_pointer": "https://pubmed.ncbi.nlm.nih.gov/38522030/", "tier": "A", "source_tier": "A", "kind": "primary", "status_flags": [ "none_found" ], "opened": true, "opened_on": "2026-10-10", "status_checked_on": "2026-10-10", "study_id": "PMID38522030", "access_depth": "abstract_metadata", "access_note": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "relates_to_subclaims": [ "SC1", "SC2", "SC3" ], "favors_models": [], "evidence_class": "Weak", "system": "human observational", "decisive_perturbation": false, "endogenous": false, "direction": "supports", "what_it_shows": "Pediatric post-COVID interferon-related transcription differed across age strata.", "what_it_does_not_show": "Age-opposed patterns caution against a single invariant immune state; no mediator intervention.", "confounders_present": [ "Age-opposed patterns caution against a single invariant immune state; no mediator intervention." ], "verification": "verified", "verification_note": "Bounded source attribution; not proof of the nominal mechanism.", "citation_context": { "retrieved": false, "supporting_count": 0, "mentioning_count": 0, "contrasting_count": 0, "notable_contrasting_statements": [] }, "shared_components": [] }, { "n": 55, "pmid": "40926879", "title": "Single-Cell and Plasma Proteomics Do Not Differentiate Patients With and Without SARS-CoV-2 Antigenemia in Convalescence in a Cohort of 100 Patients.", "citation": "Pienkos S, Swank Z, Hamlin RE et al. Single-Cell and Plasma Proteomics Do Not Differentiate Patients With and Without SARS-CoV-2 Antigenemia in Convalescence in a Cohort of 100 Patients. Open forum infectious diseases. 2025.", "doi": "10.1093/ofid/ofaf515", "pmcid": "PMC12415173", "url": "https://pubmed.ncbi.nlm.nih.gov/40926879/", "source_pointer": "https://pubmed.ncbi.nlm.nih.gov/40926879/", "tier": "A", "source_tier": "A", "kind": "primary", "status_flags": [ "none_found" ], "opened": true, "opened_on": "2026-10-10", "status_checked_on": "2026-10-10", "study_id": "PMID40926879", "access_depth": "abstract_metadata", "access_note": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "relates_to_subclaims": [ "SC1", "SC2", "SC3" ], "favors_models": [], "evidence_class": "Weak", "system": "human observational", "decisive_perturbation": false, "endogenous": false, "direction": "supports", "what_it_shows": "Persistent antigenemia was not accompanied by the measured broad immune-proteomic differences.", "what_it_does_not_show": "A blood null does not exclude compartmental tissue effects or prove all antigen biologically inert.", "confounders_present": [ "A blood null does not exclude compartmental tissue effects or prove all antigen biologically inert." ], "verification": "verified", "verification_note": "Bounded source attribution; not proof of the nominal mechanism.", "citation_context": { "retrieved": false, "supporting_count": 0, "mentioning_count": 0, "contrasting_count": 0, "notable_contrasting_statements": [] }, "shared_components": [] }, { "n": 56, "pmid": "36052466", "title": "Persistent Circulating Severe Acute Respiratory Syndrome Coronavirus 2 Spike Is Associated With Post-acute Coronavirus Disease 2019 Sequelae.", "citation": "Swank Z, Senussi Y, Manickas-Hill Z et al. Persistent Circulating Severe Acute Respiratory Syndrome Coronavirus 2 Spike Is Associated With Post-acute Coronavirus Disease 2019 Sequelae. Clinical infectious diseases : an official publication of the Infectious Diseases Society of America. 2023.", "doi": "10.1093/cid/ciac722", "pmcid": "PMC10169416", "url": "https://pubmed.ncbi.nlm.nih.gov/36052466/", "source_pointer": "https://pubmed.ncbi.nlm.nih.gov/36052466/", "tier": "A", "source_tier": "A", "kind": "primary", "status_flags": [ "none_found" ], "opened": true, "opened_on": "2026-10-10", "status_checked_on": "2026-10-10", "study_id": "PMID36052466", "access_depth": "abstract_metadata", "access_note": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "relates_to_subclaims": [ "SC1", "SC2", "SC3" ], "favors_models": [], "evidence_class": "Weak", "system": "human observational", "decisive_perturbation": false, "endogenous": false, "direction": "supports", "what_it_shows": "Persistent circulating spike was reported preferentially in the sampled PASC group.", "what_it_does_not_show": "Circulating antigen association does not establish infectious replication or symptom necessity.", "confounders_present": [ "Circulating antigen association does not establish infectious replication or symptom necessity." ], "verification": "verified", "verification_note": "Bounded source attribution; not proof of the nominal mechanism.", "citation_context": { "retrieved": false, "supporting_count": 0, "mentioning_count": 0, "contrasting_count": 0, "notable_contrasting_statements": [] }, "shared_components": [] } ], "verification_summary": { "load_bearing_claims_checked": 60, "verified": 60, "unverified": 0, "contradicted": 0, "note": "Verified attribution is distinct from mechanism truth or complete body access." }, "factual_issues_found": [], "cap_rules_applied": [ { "subclaim_id": "SC1", "cap": "Β", "cap_source": "universal", "triggered": true, "trigger_text_quoted": "Pure association evidence — however large, however replicated — cannot exceed Β.", "specific_trigger": "RNA and antigen persistence are directly observed in selected human samples, with symptom associations. These presence findings are not by themselves a causal proposition or infectious-virus recovery.", "resulting_ceiling": "Β" } ], "cap_precedence_resolutions": [ { "collision": "Perturbation in a defined setting versus broader inference", "subclaim_scope_cap_binds_on": "Persistent SARS-CoV-2 antigen or RNA in tissue reservoirs is a primary cause of post-acute COVID-19 symptoms.", "subclaim_scope_threshold_binds_on": "The precise experimentally tested subclaim scope", "resolution": "A conditional immune manipulation can cross a model threshold without crossing the full human reservoir-primacy claim. Clinical antiviral perturbation counts as a discriminator, but a null result neither crosses Δ positively nor proves absence of a reservoir without engagement evidence.", "note": "Convergent lines are assessed as a set; one weak leg is not re-capped over the assembled case." } ], "boundary_check_BGD": [ { "subclaim_id": "SC1", "field_valid_perturbation_quote": "\n- Cell-type-specific conditional knockout or depletion\n- Pathway-specific blockade (not broad immunosuppression) changing disease course\n- Human targeted therapy with mechanistic alignment showing disease-modifying effect", "qualifying_evidence_present": "no", "qualifying_evidence_citation": "", "gamma_hard_rules_triggered": [ "Human associations and biomarker-only changes do not establish the broad causal claim.", "Model perturbations bind their tested species and phenotype, not an untested human scope.", "Positive treatment effects are checked for specific mechanism attribution; negative trials require target engagement before mechanistic falsification." ], "disease_phenotype_relevance": "yes", "perturbation_result_positive": "no", "perturbation_result_note": "RNA and antigen persistence are directly observed in selected human samples, with symptom associations. These presence findings are not by themselves a causal proposition or infectious-virus recovery.", "ceiling_from_boundary_check": "Γ" }, { "subclaim_id": "SC2", "field_valid_perturbation_quote": "\n- Cell-type-specific conditional knockout or depletion\n- Pathway-specific blockade (not broad immunosuppression) changing disease course\n- Human targeted therapy with mechanistic alignment showing disease-modifying effect", "qualifying_evidence_present": "no", "qualifying_evidence_citation": "", "gamma_hard_rules_triggered": [ "Human associations and biomarker-only changes do not establish the broad causal claim.", "Model perturbations bind their tested species and phenotype, not an untested human scope.", "Positive treatment effects are checked for specific mechanism attribution; negative trials require target engagement before mechanistic falsification." ], "disease_phenotype_relevance": "yes", "perturbation_result_positive": "no", "perturbation_result_note": "Viral-inflammatory signaling has model perturbation/rescue support and human correlates, but the exact persistent-SARS-CoV-2-to-human-syndrome link remains incompletely tested.", "ceiling_from_boundary_check": "Γ" }, { "subclaim_id": "SC3", "field_valid_perturbation_quote": "\n- Cell-type-specific conditional knockout or depletion\n- Pathway-specific blockade (not broad immunosuppression) changing disease course\n- Human targeted therapy with mechanistic alignment showing disease-modifying effect", "qualifying_evidence_present": "no", "qualifying_evidence_citation": "", "gamma_hard_rules_triggered": [ "Human associations and biomarker-only changes do not establish the broad causal claim.", "Model perturbations bind their tested species and phenotype, not an untested human scope.", "Positive treatment effects are checked for specific mechanism attribution; negative trials require target engagement before mechanistic falsification." ], "disease_phenotype_relevance": "yes", "perturbation_result_positive": "no", "perturbation_result_note": "No selected study verifies relevant reservoir removal followed by specific, substantial rescue of established human Long COVID. Multiple antiviral primary nulls constrain a broadly treatment-responsive replication model without proving reservoir eradication.", "ceiling_from_boundary_check": "Γ" } ], "thresholds_tested": [ { "subclaim_id": "SC1", "threshold": "Δ", "requirement_quoted": "Requires pathway- or cell-type-resolved causal perturbation affecting disease or phenotype.", "satisfied": "no", "supporting_evidence": [], "what_would_cross_it": "Presence must be connected to a pathway-specific causal perturbation rather than counted as a mechanistic crossing." }, { "subclaim_id": "SC2", "threshold": "Δ", "requirement_quoted": "Requires pathway- or cell-type-resolved causal perturbation affecting disease or phenotype.", "satisfied": "no", "supporting_evidence": [], "what_would_cross_it": "Selective relevant reservoir or sensing-pathway perturbation must change the stated post-acute disease phenotype with model-to-human alignment." }, { "subclaim_id": "SC3", "threshold": "Δ", "requirement_quoted": "Requires pathway- or cell-type-resolved causal perturbation affecting disease or phenotype.", "satisfied": "no", "supporting_evidence": [], "what_would_cross_it": "Document tissue target engagement/clearance before a prespecified clinically meaningful symptom response, contrasted with matched controls." } ], "generalization_check": { "generalization_tested": "no", "context_boundary_mapped": "yes", "internal_negative_controls": [ "Gut biopsy participants in the PET study were all symptomatic, leaving the key asymptomatic biopsy control unresolved.", "Mouse post-clearance hyposmia shows maintenance without detectable virus in that model.", "Acute-prevention treatment is not a late-reservoir intervention." ], "note": "Symptom phenotypes, infection timing, sampled tissues and host backgrounds differ. Asymptomatic/oligosymptomatic persistence and activation in recovered controls restrict sufficiency; no universal negative-control result is claimed." }, "falsification_patterns_met": [], "pitfalls_flagged": [ { "pitfall": "RNA versus replication", "where": "PCR, antigen and focal dsRNA signals do not all establish recoverable infectious virus." }, { "pitfall": "Target engagement", "where": "Antiviral nulls lack verified eradication of the symptom-relevant tissue reservoir." }, { "pitfall": "Ectopic model generalization", "where": "Injected spike and poly(I:C) do not reproduce every endogenous human persistence mechanism." } ], "causal_tally_audit": { "tally_claimed_by_document": 7, "tally_after_audit": 7, "items_rejected": [ "Null and negative contrasts are discriminators, not positive threshold crossings. Reports and replications are not independent causal lines.", "The tally counts reports with discriminating intervention contrasts, including negative results; it is not a count of positive causal crossings.", "Shared parent trials and multiple manipulations within a study remain grouped." ] }, "steelman": { "case_one_rung_higher": "Case for Δ: tissue viral material coexists with prolonged immune activation; mouse sensing-pathway interventions and rescue demonstrate causal biology, and acute antiviral prevention can improve later outcomes. The missing step is a positive, target-engaged intervention on the registered established-human-disease maintenance claim.", "case_one_rung_lower": "Case for Β: human reservoir data are largely observational and several late antiviral trials are null. Model pathway/rescue support and prospective infection biology nevertheless exceed association alone; the nulls did not prove tissue clearance.", "which_rejected": "Reject Δ for missing positive full-scope perturbation and Β because experimentally supported partial mechanisms remain. Retain Γ without reclassifying an acute-prevention result as late maintenance proof.", "blocking_cap_threshold_or_missing_experiment": "Missing experiment: Randomize a reservoir-directed intervention in a prespecified persistent-material phenotype, quantify relevant tissue target engagement before symptom change, and compare with matched placebo and infection-recovered controls." }, "final_score": { "hsef_level": "Γ", "hsef_descriptor": "Mechanistically plausible, partial system support", "confidence": "Moderate", "confidence_rationale": "56 primary reports with 3 selected partial-body examinations; density, heterogeneous controls and incomplete access set the confidence, not correctness.", "rests_on_non_peer_reviewed_work": false, "rationale": "Overall Γ follows SC3. Human tissue associations and mechanistic models supply partial support, but primary clinical maintenance by persistent SARS-CoV-2 has not been identified. Antiviral nulls are important counterevidence to accessible replication, not evidence that every tissue reservoir was eliminated." }, "role_of_mechanism": { "classification": "epiphenomenon", "derivation_step_matched": 2, "derivation": "At the registered human-primary-maintenance scope, neither reservoir necessity nor a reverse dependency is demonstrated. Step 2 records unresolved causal dependency for this claim, not a finding that persistent antigen is inert. Model inflammatory signaling has causal effects in narrower systems, which do not establish the role of the human reservoir.", "tournament_used_as_tiebreaker": false, "note": "Derived from causal direction, not tournament rank." }, "extended_scoring_MSD": { "momentum": { "value": "Mechanistic only", "artifact": "STOP-PASC, PAXLC and RECOVER-VITAL (PMIDs38848477,40188838,42673984) are completed clinical perturbations but lack verified reservoir eradication. Recent tissue and model work (PMIDs41794369,41963730) continues mechanism exploration; no verified pending clearance-to-rescue result was identified.", "justification": "STOP-PASC, PAXLC and RECOVER-VITAL (PMIDs38848477,40188838,42673984) are completed clinical perturbations but lack verified reservoir eradication. Recent tissue and model work (PMIDs41794369,41963730) continues mechanism exploration; no verified pending clearance-to-rescue result was identified." }, "stability": { "value": "Stable", "trigger": "No specific pending result with a verified completion trigger was identified in this bounded search; Stable follows the framework definition, not a forecast of permanent truth.", "justification": "No specific pending result with a verified completion trigger was identified in this bounded search; Stable follows the framework definition, not a forecast of permanent truth." }, "divergence": { "implied_level": null, "implied_level_basis": "No single field-implied level is defensible from conflicting framings.", "assessed_level": "Γ", "gap_in_rungs": null, "value": "Contested", "justification": "No manufactured field consensus or arithmetic gap." }, "calibration_note": "M/S/D never modify HSEF level or confidence." }, "change_record": { "applies": false, "prior_level": "none assigned", "prior_confidence": null, "prior_source": null, "derived_before_consulting_prior": true, "new_level": "Γ", "direction": "newly assigned", "what_moved_it": "Fresh primary evidence appraisal; not blinded.", "divergence_from_other_reviewers": null }, "proposed_decisive_experiments": [ { "name": "Registered boundary experiment", "experiment": "Randomize a reservoir-directed intervention in a prespecified persistent-material phenotype, quantify relevant tissue target engagement before symptom change, and compare with matched placebo and infection-recovered controls.", "readout": "Longitudinal tissue viral material/replication assays, immune mediators and prespecified functional symptom trajectories", "critical_control": "Blinding integrity, relevant compartment sampling, reinfection monitoring and unchanged supportive treatment", "supporting_result": "Verified specific reservoir reduction precedes clinically meaningful improvement and predicted immune normalization", "falsifying_result": "Verified adequate relevant-reservoir clearance leaves the predicted symptoms unchanged over the registered horizon" } ], "knowledge_gaps": [ { "name": "Gap 1", "statement": "Which compartments contain biologically active versus residual viral material?", "relevance": "Limits mechanism identification or scope." }, { "name": "Gap 2", "statement": "How often does persistence occur in symptom-matched recovered controls?", "relevance": "Limits mechanism identification or scope." }, { "name": "Gap 3", "statement": "Which symptom phenotypes depend on continued antigen rather than autonomous injury?", "relevance": "Limits mechanism identification or scope." }, { "name": "Gap 4", "statement": "Clinical reservoir engagement was not demonstrated in the selected late antiviral trials.", "relevance": "Limits mechanism identification or scope." } ], "review_metadata": { "review_date": "2026-10-09", "reviewer": "Codex", "evidence_base_note": "56 primary reports; literature cutoff 2026-10-09; source examination UTC date 2026-10-10; bounded critical review, not exhaustive systematic review.", "literature_tools_available": true, "literature_tools_note": "Life Sciences Literature PubMed/Entrez; separately logged public original-body retrieval; No Consensus or Scite calls used; PubMed primary records and separately logged public original-body retrieval only.", "skill_version": "5.3", "validator_run": "Exact package-bundled v5.3 validator: PASS, zero FAIL findings; rerun after sealing.", "validator_warnings_addressed": "Long-COVID parent antigen/RNA claim and subclaim decomposition retain the disjunction warning; states are distinguished in reviewer notes.", "limits": "Bounded critical review; not systematic review, complete-abstract audit, complete-paper audit, blind calibration or independent peer review.", "consensus_consistency_audit": "2026-10-09; supplementary provenance/source reconciliation; original grading retained; prior grades visible." }, "is_calibration_entry": { "value": false, "entry_role": "not_calibration", "blind_graded": null, "completed_blinded_calibration": false, "expected_band_sealed_at": "", "target_sha256": "", "target_authorship": "not applicable", "target_author_saw_review": null, "future_run_status": "not prepared", "unblinded_reason": "Ranking categorical verdict and index guidance were visible. No completed blinded calibration claimed." }, "upper_ladder_check": { "final_level_below_zeta": true, "equivalents_considered": [ { "kind": "mendelian_randomization", "available": false, "why_not_sufficient": "No convergence establishes the full registered claim. Positive narrower results are retained without re-capping an assembled causal set; their scopes and distinct failure modes are stated separately." }, { "kind": "natural_experiment", "available": false, "why_not_sufficient": "No convergence establishes the full registered claim. Positive narrower results are retained without re-capping an assembled causal set; their scopes and distinct failure modes are stated separately." }, { "kind": "dose_response_across_populations", "available": false, "why_not_sufficient": "No convergence establishes the full registered claim. Positive narrower results are retained without re-capping an assembled causal set; their scopes and distinct failure modes are stated separately." }, { "kind": "withdrawal_rechallenge", "available": false, "why_not_sufficient": "No convergence establishes the full registered claim. Positive narrower results are retained without re-capping an assembled causal set; their scopes and distinct failure modes are stated separately." }, { "kind": "therapeutic_perturbation_hard_endpoint", "available": false, "why_not_sufficient": "No convergence establishes the full registered claim. Positive narrower results are retained without re-capping an assembled causal set; their scopes and distinct failure modes are stated separately." } ], "convergence_present": false, "cap_reapplied_to_convergent_set": false }, "provenance_header": { "sources_total": 56, "claims_total": 60, "claims_verified": 60, "claims_unverified": 0, "claims_contradicted": 0, "tier_a_sources": 56, "generated_by": "Codex; HSEF v5.3", "gate_passed": true }, "claims": [ { "id": "C1", "text": "Autoantibody profiles predicted selected post-COVID functional and respiratory outcomes. Prediction does not establish antibody necessity or viral primacy.", "carries_number": false, "load_bearing_for": [ "SC1", "SC2", "SC3" ], "source_ns": [ 1 ], "verification": "verified", "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "verified_on": "2026-10-10", "note": "" }, { "id": "C2", "text": "Fatal-case autopsies detected SARS-CoV-2 RNA in selected tissues despite negative nasal tests. Severe fatal cases are not representative Long COVID, and RNA does not alone establish infectious replication.", "carries_number": true, "load_bearing_for": [ "SC1", "SC2", "SC3" ], "source_ns": [ 2 ], "verification": "verified", "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "verified_on": "2026-10-10", "note": "" }, { "id": "C3", "text": "Infected mice showed persistent viral RNA and neuronal changes; orexin intervention affected neuronal markers. Transgenic models and marker rescue do not establish human symptom rescue after reservoir clearance.", "carries_number": false, "load_bearing_for": [ "SC1", "SC2", "SC3" ], "source_ns": [ 3 ], "verification": "verified", "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "verified_on": "2026-10-10", "note": "" }, { "id": "C4", "text": "Convalescent monocytes showed altered functions in ex vivo assays. Ex vivo dysfunction is not Long-COVID-specific or in vivo causal dependency.", "carries_number": false, "load_bearing_for": [ "SC1", "SC2", "SC3" ], "source_ns": [ 4 ], "verification": "verified", "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "verified_on": "2026-10-10", "note": "" }, { "id": "C5", "text": "Mouse post-infection hyposmia persisted after viral clearance and responded to senescence/immune-pathway perturbation. Model-specific maintenance without virus does not exclude reservoirs in other human phenotypes.", "carries_number": false, "load_bearing_for": [ "SC1", "SC2", "SC3" ], "source_ns": [ 5 ], "verification": "verified", "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "verified_on": "2026-10-10", "note": "" }, { "id": "C6", "text": "Oligosymptomatic long-term carriers had altered immune profiles. Persistence with few symptoms challenges simple sufficiency but does not prove a complete negative control for all tissues.", "carries_number": false, "load_bearing_for": [ "SC1", "SC2", "SC3" ], "source_ns": [ 6 ], "verification": "verified", "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "verified_on": "2026-10-10", "note": "" }, { "id": "C7", "text": "Long-COVID muscle biopsies showed inflammatory, mitochondrial and microvascular abnormalities. Small selected biopsies without reservoir manipulation cannot establish the initiating mechanism.", "carries_number": false, "load_bearing_for": [ "SC1", "SC2", "SC3" ], "source_ns": [ 7 ], "verification": "verified", "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "verified_on": "2026-10-10", "note": "" }, { "id": "C8", "text": "Long-COVID immune profiles included altered T-cell and Th2 patterns. Cell-state associations do not identify causal direction or antigen dependence.", "carries_number": true, "load_bearing_for": [ "SC1", "SC2", "SC3" ], "source_ns": [ 8 ], "verification": "verified", "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "verified_on": "2026-10-10", "note": "" }, { "id": "C9", "text": "Post-COVID ileal viral protein was associated with local immune and barrier abnormalities. Observational biopsy selection and protein detection do not prove replication or symptom causation.", "carries_number": false, "load_bearing_for": [ "SC1", "SC2", "SC3" ], "source_ns": [ 9 ], "verification": "verified", "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "verified_on": "2026-10-10", "note": "" }, { "id": "C10", "text": "Endoscopy samples contained viral material after infection without recoverable infectious virus. Material persistence and infectious replication must remain distinct; the study did not remove the reservoir.", "carries_number": false, "load_bearing_for": [ "SC1", "SC2", "SC3" ], "source_ns": [ 10 ], "verification": "verified", "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "verified_on": "2026-10-10", "note": "" }, { "id": "C11", "text": "Gut immunostaining showed persistent viral protein with regional and clinical differences. Absence of clear symptom differences prevents inferring that detection alone explains symptoms.", "carries_number": false, "load_bearing_for": [ "SC1", "SC2", "SC3" ], "source_ns": [ 11 ], "verification": "verified", "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "verified_on": "2026-10-10", "note": "" }, { "id": "C12", "text": "STOP-PASC found no significant primary symptom benefit from a 15-day antiviral course. No verified clearance of the relevant tissue reservoir; null clinical benefit does not establish absence of all reservoirs. An erratum is attached.", "carries_number": true, "load_bearing_for": [ "SC1", "SC2", "SC3" ], "source_ns": [ 12 ], "verification": "verified", "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. Selected body sections: 2:Results:paragraph8, 2:Results:paragraph17. No complete-paper or supplement audit claimed.", "verified_on": "2026-10-10", "note": "" }, { "id": "C13", "text": "STOP-PASC wearable analyses did not show a clear intervention benefit. Secondary analysis with attrition, same trial family and no tissue-clearance endpoint.", "carries_number": false, "load_bearing_for": [ "SC1", "SC2", "SC3" ], "source_ns": [ 13 ], "verification": "verified", "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "verified_on": "2026-10-10", "note": "" }, { "id": "C14", "text": "PAXLC found no significant primary physical-health benefit from the tested antiviral course. The intervention may not eradicate compartmental or nonreplicating antigen; this is not a verified reservoir-removal experiment.", "carries_number": false, "load_bearing_for": [ "SC1", "SC2", "SC3" ], "source_ns": [ 14 ], "verification": "verified", "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "verified_on": "2026-10-10", "note": "" }, { "id": "C15", "text": "A small prematurely stopped acute-treatment trial reported less subsequent Long COVID. Prevention after acute infection does not demonstrate maintenance by a reservoir in established disease.", "carries_number": false, "load_bearing_for": [ "SC1", "SC2", "SC3" ], "source_ns": [ 15 ], "verification": "verified", "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "verified_on": "2026-10-10", "note": "" }, { "id": "C16", "text": "RECOVER-VITAL found no significant primary benefits for the tested established-Long-COVID symptom phenotypes. Late antiviral nulls constrain treatment-responsive replication, but do not document reservoir clearance in tissues.", "carries_number": false, "load_bearing_for": [ "SC1", "SC2", "SC3" ], "source_ns": [ 16 ], "verification": "verified", "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "verified_on": "2026-10-10", "note": "" }, { "id": "C17", "text": "STOP-PASC trajectories did not identify a clear broadly responsive symptom subgroup. Same randomized cohort; exploratory trajectories are not independent tests of reservoir removal.", "carries_number": false, "load_bearing_for": [ "SC1", "SC2", "SC3" ], "source_ns": [ 17 ], "verification": "verified", "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "verified_on": "2026-10-10", "note": "" }, { "id": "C18", "text": "Early antiviral treatment was associated with fewer later smell/taste problems. Observational treatment selection and acute timing do not establish late symptom mechanism.", "carries_number": false, "load_bearing_for": [ "SC1", "SC2", "SC3" ], "source_ns": [ 18 ], "verification": "verified", "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "verified_on": "2026-10-10", "note": "" }, { "id": "C19", "text": "A bamlanivimab-treated cohort developed persistent symptoms without a clear nasal-RNA association. Nasal sampling is not tissue clearance and cohort analysis is not a randomized late reservoir intervention.", "carries_number": false, "load_bearing_for": [ "SC1", "SC2", "SC3" ], "source_ns": [ 19 ], "verification": "verified", "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "verified_on": "2026-10-10", "note": "" }, { "id": "C20", "text": "Long-COVID and ME/CFS cohorts showed immune dysregulation. Shared phenotype signatures do not identify a unique viral cause.", "carries_number": false, "load_bearing_for": [ "SC1", "SC2", "SC3" ], "source_ns": [ 20 ], "verification": "verified", "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "verified_on": "2026-10-10", "note": "" }, { "id": "C21", "text": "Endothelial and blood markers supported vascular involvement in Long COVID. Associations do not establish microclots as the primary driver or prove independence from inflammation.", "carries_number": false, "load_bearing_for": [ "SC1", "SC2", "SC3" ], "source_ns": [ 21 ], "verification": "verified", "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "verified_on": "2026-10-10", "note": "" }, { "id": "C22", "text": "Fatigued post-COVID and other fatigued participants shared immune features. Nonspecific signatures constrain diagnostic specificity but not every causal pathway.", "carries_number": false, "load_bearing_for": [ "SC1", "SC2", "SC3" ], "source_ns": [ 22 ], "verification": "verified", "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "verified_on": "2026-10-10", "note": "" }, { "id": "C23", "text": "An outpatient cohort documented prolonged neurological and cognitive symptoms. Natural history establishes burden, not viral causality.", "carries_number": false, "load_bearing_for": [ "SC1", "SC2", "SC3" ], "source_ns": [ 23 ], "verification": "verified", "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "verified_on": "2026-10-10", "note": "" }, { "id": "C24", "text": "Human metabolomics and mouse interventions linked viral-inflammatory signaling to serotonin/vagal-memory changes. LCMV persistence, poly(I:C), receptor manipulation and rescue are model evidence, not selective SARS-CoV-2 reservoir removal in humans.", "carries_number": false, "load_bearing_for": [ "SC1", "SC2", "SC3" ], "source_ns": [ 24 ], "verification": "verified", "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. Selected body sections: 1:RESULTS:paragraph4, 1:RESULTS:paragraph5, 1:RESULTS:paragraph19. No complete-paper or supplement audit claimed.", "verified_on": "2026-10-10", "note": "" }, { "id": "C25", "text": "Autopsy work detected long-lasting SARS-CoV-2 RNA in multiple organs. Predominantly severe/fatal disease and limited local injury do not establish a dominant cause of typical Long COVID.", "carries_number": true, "load_bearing_for": [ "SC1", "SC2", "SC3" ], "source_ns": [ 25 ], "verification": "verified", "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "verified_on": "2026-10-10", "note": "" }, { "id": "C26", "text": "An observational vaccination study reported symptom changes alongside persistent antigen findings. Vaccination has multiple effects and was not randomized selective reservoir clearance; an erratum is attached.", "carries_number": false, "load_bearing_for": [ "SC1", "SC2", "SC3" ], "source_ns": [ 26 ], "verification": "verified", "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "verified_on": "2026-10-10", "note": "" }, { "id": "C27", "text": "Population follow-up documented heterogeneous persistence and reinfection-related trajectories. Phenotype trajectories do not identify a common reservoir mechanism.", "carries_number": false, "load_bearing_for": [ "SC1", "SC2", "SC3" ], "source_ns": [ 27 ], "verification": "verified", "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "verified_on": "2026-10-10", "note": "" }, { "id": "C28", "text": "Early RNAemia, autoantibodies, EBV signals and diabetes predicted later sequelae. Temporal predictors can mark acute severity or susceptibility without being the maintenance mechanism.", "carries_number": false, "load_bearing_for": [ "SC1", "SC2", "SC3" ], "source_ns": [ 28 ], "verification": "verified", "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "verified_on": "2026-10-10", "note": "" }, { "id": "C29", "text": "Long-COVID immune profiling identified cortisol and antiviral immune differences. Cross-sectional profiles are not targeted mediator perturbation; an updated preprint is not a separate source.", "carries_number": false, "load_bearing_for": [ "SC1", "SC2", "SC3" ], "source_ns": [ 29 ], "verification": "verified", "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "verified_on": "2026-10-10", "note": "" }, { "id": "C30", "text": "Human brain-border spike findings and mouse spike exposure supported a possible neuroimmune pathway. Exogenous spike administration is not endogenous human reservoir necessity or sufficient explanation of the syndrome.", "carries_number": false, "load_bearing_for": [ "SC1", "SC2", "SC3" ], "source_ns": [ 30 ], "verification": "verified", "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "verified_on": "2026-10-10", "note": "" }, { "id": "C31", "text": "PET revealed prolonged tissue T-cell activation; selected gut biopsies contained focal viral RNA signals. All five biopsied participants were symptomatic; absent asymptomatic biopsy controls and negative bulk PCR restrict causal interpretation.", "carries_number": false, "load_bearing_for": [ "SC1", "SC2", "SC3" ], "source_ns": [ 31 ], "verification": "verified", "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. Selected body sections: 1:RESULTS:paragraph14, 1:RESULTS:paragraph15, 1:RESULTS:paragraph16. No complete-paper or supplement audit claimed.", "verified_on": "2026-10-10", "note": "" }, { "id": "C32", "text": "Structural analyses associated microclot/NET features with Long COVID. Structural presence does not establish necessity, sufficiency or upstream timing.", "carries_number": false, "load_bearing_for": [ "SC1", "SC2", "SC3" ], "source_ns": [ 32 ], "verification": "verified", "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "verified_on": "2026-10-10", "note": "" }, { "id": "C33", "text": "Transcriptomic profiling linked Long-COVID/ME-CFS phenotypes to immune and neural pathways. Expression patterns and potentially related recruitment do not establish an independent causal mechanism.", "carries_number": false, "load_bearing_for": [ "SC1", "SC2", "SC3" ], "source_ns": [ 33 ], "verification": "verified", "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "verified_on": "2026-10-10", "note": "" }, { "id": "C34", "text": "Post-acute samples showed NET-associated marker changes. Markers do not establish that NET blockade changes clinical disease.", "carries_number": false, "load_bearing_for": [ "SC1", "SC2", "SC3" ], "source_ns": [ 34 ], "verification": "verified", "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "verified_on": "2026-10-10", "note": "" }, { "id": "C35", "text": "Longitudinal profiling identified sex-specific immune trajectories and symptom associations. Observed trajectories do not manipulate the mediator; the linked preprint is not independent evidence.", "carries_number": false, "load_bearing_for": [ "SC1", "SC2", "SC3" ], "source_ns": [ 35 ], "verification": "verified", "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "verified_on": "2026-10-10", "note": "" }, { "id": "C36", "text": "Selected female patients had SUMO1-DHX35 antibody findings and antigen assays. Small subgroup and binding assays do not demonstrate antibody pathogenicity or syndrome-wide primacy.", "carries_number": true, "load_bearing_for": [ "SC1", "SC2", "SC3" ], "source_ns": [ 36 ], "verification": "verified", "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "verified_on": "2026-10-10", "note": "" }, { "id": "C37", "text": "Salivary antibody patterns were consistent with altered herpesvirus/HERV-related responses. Antibodies are indirect reactivation proxies and are not proof of a SARS-CoV-2 reservoir cause.", "carries_number": false, "load_bearing_for": [ "SC1", "SC2", "SC3" ], "source_ns": [ 37 ], "verification": "verified", "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "verified_on": "2026-10-10", "note": "" }, { "id": "C38", "text": "Tissue RNA detection in a Chinese cohort was associated with Long-COVID symptoms. Selected biopsies, cross-sectional measurement and reverse causation remain.", "carries_number": false, "load_bearing_for": [ "SC1", "SC2", "SC3" ], "source_ns": [ 38 ], "verification": "verified", "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "verified_on": "2026-10-10", "note": "" }, { "id": "C39", "text": "Longitudinal proteomics linked complement/thromboimmune abnormalities to Long COVID. Prediction and pathway enrichment are not pathway-specific human intervention.", "carries_number": false, "load_bearing_for": [ "SC1", "SC2", "SC3" ], "source_ns": [ 39 ], "verification": "verified", "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "verified_on": "2026-10-10", "note": "" }, { "id": "C40", "text": "Persistent Long COVID showed T/B-cell coordination abnormalities. Association does not prove antigen dependence; the linked preprint is not a separate study.", "carries_number": false, "load_bearing_for": [ "SC1", "SC2", "SC3" ], "source_ns": [ 40 ], "verification": "verified", "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "verified_on": "2026-10-10", "note": "" }, { "id": "C41", "text": "Two-cohort profiling found persistent immune exhaustion-related changes. An attached erratum and noninterventional design limit mechanistic attribution.", "carries_number": false, "load_bearing_for": [ "SC1", "SC2", "SC3" ], "source_ns": [ 41 ], "verification": "verified", "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "verified_on": "2026-10-10", "note": "" }, { "id": "C42", "text": "Antibody patterns suggested seasonal-coronavirus imprinting and herpesvirus-related responses. Cross-sectional immune history cannot identify the dominant maintenance mechanism.", "carries_number": false, "load_bearing_for": [ "SC1", "SC2", "SC3" ], "source_ns": [ 42 ], "verification": "verified", "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "verified_on": "2026-10-10", "note": "" }, { "id": "C43", "text": "Salivary anti-nucleocapsid IgA and complement measurements supported a candidate diagnostic pattern. Diagnostic discrimination is not causal dependency.", "carries_number": false, "load_bearing_for": [ "SC1", "SC2", "SC3" ], "source_ns": [ 43 ], "verification": "verified", "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "verified_on": "2026-10-10", "note": "" }, { "id": "C44", "text": "Post-COVID participants had persistent autoimmune/effector-cell profiles. Presence does not establish immune-pathway or viral-reservoir primacy.", "carries_number": false, "load_bearing_for": [ "SC1", "SC2", "SC3" ], "source_ns": [ 44 ], "verification": "verified", "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "verified_on": "2026-10-10", "note": "" }, { "id": "C45", "text": "Selected patients with autonomic complaints had small-fiber biopsy abnormalities. Small selected case series without a viral or neural intervention cannot determine causation.", "carries_number": false, "load_bearing_for": [ "SC1", "SC2", "SC3" ], "source_ns": [ 45 ], "verification": "verified", "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "verified_on": "2026-10-10", "note": "" }, { "id": "C46", "text": "GPCR antibodies associated with vascular regulation measures but lacked the tested cardiomyocyte beating effect. One negative functional assay does not exclude all antibody effects, while association alone does not establish them.", "carries_number": false, "load_bearing_for": [ "SC1", "SC2", "SC3" ], "source_ns": [ 46 ], "verification": "verified", "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "verified_on": "2026-10-10", "note": "" }, { "id": "C47", "text": "Long-COVID muscle biopsies showed immune/microvascular changes without detected muscle SARS-CoV-2 RNA. Historical controls and a sampled tissue's negative assay do not establish whole-body viral clearance.", "carries_number": true, "load_bearing_for": [ "SC1", "SC2", "SC3" ], "source_ns": [ 47 ], "verification": "verified", "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "verified_on": "2026-10-10", "note": "" }, { "id": "C48", "text": "Exercise provocation revealed postexertional muscle injury and metabolic dysfunction. Provoked downstream injury does not identify a viral maintenance mechanism.", "carries_number": false, "load_bearing_for": [ "SC1", "SC2", "SC3" ], "source_ns": [ 48 ], "verification": "verified", "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "verified_on": "2026-10-10", "note": "" }, { "id": "C49", "text": "Transfer of patient IgG caused selected fatigue/pain/nerve phenotypes in mice. Passive transfer supports model pathogenic potential, not endogenous human necessity or a single cause across Long COVID.", "carries_number": false, "load_bearing_for": [ "SC1", "SC2", "SC3" ], "source_ns": [ 49 ], "verification": "verified", "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "verified_on": "2026-10-10", "note": "" }, { "id": "C50", "text": "Autoantibody findings were common in a selected post-COVID cohort. Prevalence and binding do not establish pathogenic function; related commentary is not additional evidence.", "carries_number": false, "load_bearing_for": [ "SC1", "SC2", "SC3" ], "source_ns": [ 50 ], "verification": "verified", "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "verified_on": "2026-10-10", "note": "" }, { "id": "C51", "text": "Post-acute cytokine changes were associated with persistent sequelae without a corresponding autoantibody pattern. Immune heterogeneity does not identify a universal mechanism.", "carries_number": false, "load_bearing_for": [ "SC1", "SC2", "SC3" ], "source_ns": [ 51 ], "verification": "verified", "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "verified_on": "2026-10-10", "note": "" }, { "id": "C52", "text": "Persistent antinuclear antibody titers tracked selected symptom trajectories. Longitudinal association does not establish necessity or primary direction.", "carries_number": false, "load_bearing_for": [ "SC1", "SC2", "SC3" ], "source_ns": [ 52 ], "verification": "verified", "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "verified_on": "2026-10-10", "note": "" }, { "id": "C53", "text": "A selected cohort showed functional GPCR-antibody bioassay signals associated with symptoms. Assay specificity and lack of adequate causal controls constrain human mechanism inference.", "carries_number": false, "load_bearing_for": [ "SC1", "SC2", "SC3" ], "source_ns": [ 53 ], "verification": "verified", "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "verified_on": "2026-10-10", "note": "" }, { "id": "C54", "text": "Pediatric post-COVID interferon-related transcription differed across age strata. Age-opposed patterns caution against a single invariant immune state; no mediator intervention.", "carries_number": false, "load_bearing_for": [ "SC1", "SC2", "SC3" ], "source_ns": [ 54 ], "verification": "verified", "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "verified_on": "2026-10-10", "note": "" }, { "id": "C55", "text": "Persistent antigenemia was not accompanied by the measured broad immune-proteomic differences. A blood null does not exclude compartmental tissue effects or prove all antigen biologically inert.", "carries_number": false, "load_bearing_for": [ "SC1", "SC2", "SC3" ], "source_ns": [ 55 ], "verification": "verified", "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "verified_on": "2026-10-10", "note": "" }, { "id": "C56", "text": "Persistent circulating spike was reported preferentially in the sampled PASC group. Circulating antigen association does not establish infectious replication or symptom necessity.", "carries_number": false, "load_bearing_for": [ "SC1", "SC2", "SC3" ], "source_ns": [ 56 ], "verification": "verified", "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.", "verified_on": "2026-10-10", "note": "" }, { "id": "CSC1", "text": "RNA and antigen persistence are directly observed in selected human samples, with symptom associations. These presence findings are not by themselves a causal proposition or infectious-virus recovery.", "carries_number": false, "load_bearing_for": [ "SC1" ], "source_ns": [ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56 ], "verification": "verified", "verified_against": "Synthesis of examined primary result/limit cards; framework level is adjudication.", "verified_on": "2026-10-10", "note": "" }, { "id": "CSC2", "text": "Viral-inflammatory signaling has model perturbation/rescue support and human correlates, but the exact persistent-SARS-CoV-2-to-human-syndrome link remains incompletely tested.", "carries_number": false, "load_bearing_for": [ "SC2" ], "source_ns": [ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56 ], "verification": "verified", "verified_against": "Synthesis of examined primary result/limit cards; framework level is adjudication.", "verified_on": "2026-10-10", "note": "" }, { "id": "CSC3", "text": "No selected study verifies relevant reservoir removal followed by specific, substantial rescue of established human Long COVID. Multiple antiviral primary nulls constrain a broadly treatment-responsive replication model without proving reservoir eradication.", "carries_number": false, "load_bearing_for": [ "SC3" ], "source_ns": [ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56 ], "verification": "verified", "verified_against": "Synthesis of examined primary result/limit cards; framework level is adjudication.", "verified_on": "2026-10-10", "note": "" }, { "id": "CH", "text": "Viral persistence is a plausible Long-COVID contributor; evidence does not establish it as the generally primary symptom-maintaining cause.", "carries_number": false, "load_bearing_for": [ "SC3" ], "source_ns": [ 31, 24, 12, 16 ], "verification": "verified", "verified_against": "Bounded synthesis of examined sources; score is adjudication.", "verified_on": "2026-10-10", "note": "" } ], "citation_ledger": [ { "n": 1, "citation": "Vogelgesang A, Steinmetz A, Stufano A et al. 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No nominal Ζ or higher is assigned." }, "consensus_validation": { "topic": "long-covid-viral-persistence", "completed": true, "provider_mode": "Consensus Pro browser-thread plus Consensus keyword search/fetch leads; original-source checks independently opened on PubMed", "queries": [ "Through 9 October 2026, critically assess whether persistent SARS-CoV-2 antigen or RNA causally maintains established Long COVID symptoms. Distinguish detection and correlations from an ongoing replication-competent reservoir, acute prevention from treatment of established disease, and tissue target engagement from clinical response. Compare primary tissue cohort studies and randomized trials STOP-PASC, PAXLC and RECOVER-VITAL, including negative results and strongest alternative mechanisms. Provide DOI/PMID. 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Consensus surfaced sources already in the archived inventory. Correct Consensus's STOP-PASC PMID typo (38848147 to 38848477) in this audit mapping; preserve raw answer unchanged. Flag its unsupported inference from antiviral nonbenefit to reservoir eradication/target engagement. Prior visible; not blind.", "addendum_path": "deliverables\\consensus_consistency_audit_2026-10-09\\checks\\long-covid-viral-persistence\\consensus-addendum.md", "grade_changed": false, "additional_original_source_receipts": [], "primary_comparison_count": 4, "status": "completed_retrospective_original_source_reconciliation", "score_before": { "hsef_level": "Γ", "hsef_descriptor": "Mechanistically plausible, partial system support", "confidence": "Moderate", "confidence_rationale": "56 primary reports with 3 selected partial-body examinations; density, heterogeneous controls and incomplete access set the confidence, not correctness.", "rests_on_non_peer_reviewed_work": false, "rationale": "Overall Γ follows SC3. Human tissue associations and mechanistic models supply partial support, but primary clinical maintenance by persistent SARS-CoV-2 has not been identified. Antiviral nulls are important counterevidence to accessible replication, not evidence that every tissue reservoir was eliminated." }, "score_after": { "hsef_level": "Γ", "hsef_descriptor": "Mechanistically plausible, partial system support", "confidence": "Moderate", "confidence_rationale": "56 primary reports with 3 selected partial-body examinations; density, heterogeneous controls and incomplete access set the confidence, not correctness.", "rests_on_non_peer_reviewed_work": false, "rationale": "Overall Γ follows SC3. Human tissue associations and mechanistic models supply partial support, but primary clinical maintenance by persistent SARS-CoV-2 has not been identified. 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