lit-0055
Bartonella spp. seroprevalence in tick-exposed Swedish patients with persistent symptoms
Edvinsson M, Norlander C, Nilsson K, Mårtensson A, Skoog E, Olsen B (2021). Parasites & Vectors.
Study design and applicability are separate. A rigorous design in an unmatched population is not “strong evidence” for this record.
Status: Bibliographic identity verified (identifier match only). Identifier resolution proves bibliographic identity only; it does not prove that the card summary supports any medical claim, and it is not clinician review. Semantic verification count remains 0 for the catalog.
Serology study in 224 patients with ≥6 months symptoms and presumed tick exposure; 7% B. henselae seropositive. Matched seronegative comparison found no symptom specificity—important negative-control evidence against over-attributing chronic symptoms to seropositivity.
Record overlap notes (research). persistent multi-system symptoms; arthralgia and fatigue phenotype; serology interpretation without specific symptom link; no known tick bite contrast
DOI: 10.1186/s13071-021-05043-3 · PMID: 34641972 · PMCID: PMC8507314
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- Hypothesis H4 (contradicting)