[Prolonged febrile syndrome as a manifestation of Coxiella burnetii infection, presentation of infrequent clinical cases].

: We present two cases of infection by Coxiella burnetii which developed with sustained fever symptoms. During its evolution, the first case presented granulomatous hepatitis, whereas the second case presented left Cosofemoral Arthritis. We describe the clinical-evolutive characteristics of these clinical forms and within the evolution of the chronic forms of Q fever.