. "Disease or Syndrome"^^ . "Lyme DiseaseSYNCI" . "BorreliaSYNCI" . . "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.NCI" . "Borrelia Burgdorferi Infection"^^ . "C0024198"^^ . . "Borrelia Burgdorferi InfectionPTNCI" . "Borrelia Burgdorferi Infection"^^ . "C45161"^^ . "Borrelia_Burgdoferi_Infection"^^ .