Alternative definition : NICHD: An infection that is caused by Bartonella bacilliformis, which is transmitted
to humans from infected sandflies. The acute phase (Oroya Fever) is characterized
by fever, headache, myalgia, enlargement of the lymph nodes, and anemia. The chronic
phase (verruga peruana/Peruvian wart) is characterized by benign, eruptive lesions
that are bleeding and pruritic, arthralgia, and malaise.;