Borrelia Burgdorferi Infection

**Semantic type:** Disease or Syndrome

**Definition:** An infectious disease caused by the spirochete Borrelia burgdorferi. Early manifestations of infection may include fever, headache, fatigue, depression, and a characteristic skin rash called erythema migrans. Left untreated, late manifestations involving the joints, heart, and nervous system can occur.

**Synonyms:** - Borrelia - Borrelia burgdorferi Infection - Lyme Disease - Lyme Disease