infectious diseases
Oroya Fever and Verruga Peruana
Introduction
Oroya fever and verruga peruana are infections caused by the gram-negative bacteriumBartonella bacilliformis. Oroya fever occurs after initial exposure; verruga peruana occurs after recovery from the primary infection. Diagnosis is clinical and confirmed by blood cultures (for Oroya fever) and sometimes by biopsy (for verruga peruana). Treatment is with antibiotics. (See also Overview of Bartonella Infections .) Endemic only to the Andes Mountains in Colombia, Ecuador, and Peru, both Oroya fever and verruga peruana are passed from human to human by thePhlebotomussandfly. 