Oroya fever is caused by:

Ans: a. B. bacilliformis Baonellosis, or Carrion's disease, is caused by B. bacilliformisBaonellosis, or Carrion's disease, is caused by B. bacilliformis. The disease is characterized by two distinct phases:an acute febrile hematic phase, known as Oroya fever; andan eruptive phase manifested by cutaneous lesions, known as verruga peruana