Relapsing Fever Infection Manifesting as Aseptic Meningitis, Texas, USA.

Tickborne relapsing fever spirochetes are an overlooked cause of disease around the globe. We report a case of tickborne relapsing fever in a patient in Texas, USA, who had a single febrile episode and gastrointestinal and neurologic symptoms. Immunoblot analysis using recombinant Borrelia immunogenic protein A implicated Borrelia turicatae as the causative agent.