Oroya Fever and Daniel Carrion--A Fatal Quest.

O fever –Bartonellosis or Carrion’s disease is endemic to the Andes Mountains of South America, especially in Peru 500 to 3000 meters above sea level. The organism is transmitted by the bite of sand fly. In acute phase it presents as a febrile illness with myalgias and delirium. In untreated cases death rate is up to 40%. Patients that survive the acute phase, develop a crop of nodular skin lesions-Verruga peruana usually, on face and trunk, 4-6 wks. later.