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Case Reports
. 2025 Apr 29:40:e02236.
doi: 10.1016/j.idcr.2025.e02236. eCollection 2025.

Fever of unknown origin: Unravelling the mystery of Q fever and coccidioidomycosis coinfection - Case report

Mercedes Martinez-Gil  1 , Mohammed Wajid Hussain  1 , Lindsey R Theut  2 , Maria Miller  2 , Ashley Ezekpo  1 , William D Dachman  3
Affiliations
Case Reports

Fever of unknown origin: Unravelling the mystery of Q fever and coccidioidomycosis coinfection - Case report

Mercedes Martinez-Gil et al. IDCases. .

Abstract

In this case, we present a rare occurrence of a zoonotic infection, Q fever, coexisting with a fungal infection, coccidioidal meningitis. When patients present with ambiguous symptoms, it becomes challenging to attribute their presentation to a particular disorder or disease, especially when they test negative for common infectious etiologies. This case highlights both the importance of considering rare infections early on and the possibility that multiple infectious agents can coexist, simultaneously contributing to a patient's illness.

Keywords: Coccidioidomycosis; Infectious disease; Meningitis; Public health; Q fever.

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Conflict of interest statement

The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.

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