Borrelia burgdorferi

**Borrelia burgdorferi**

Borrelia burgdorferi is a spirochete bacterium and the primary causative agent of Lyme disease, a tick-borne illness. Transmitted to humans through the bite of infected black-legged ticks (Ixodes species), this bacterium can cause a range of symptoms including fever, fatigue, joint pain, and the characteristic “bull’s-eye” rash known as erythema migrans. Understanding Borrelia burgdorferi is essential for diagnosing, preventing, and treating Lyme disease effectively. This tag covers topics related to its biology, transmission, symptoms, diagnosis, and current research.