| an outbreak of q fever in bulgaria. | q fever is an acute febrile illness due to coxiella burnetii. in the balkans, q fever in humans has been reported since world war ii, and in countries such as bulgaria the number of cases has increased since the early 1990s. we report an investigation of an outbreak in the town of botevgrad, western bulgaria. overall, 220 cases were identified between may 1 and june 9, 2004. of the cases, 168 were from botevgrad; the others were from neighbouring towns. this has been the largest outbreak in bulg ... | 2009 | 19567983 |