Two hundred forty-nine cases of Q fever were documented at the laboratories of the Centro Nacional de Microbiología, Virología e Inmunología Sanitarias (CNMVIS) during the 5-year period 1981-1985. Two hundred thirty-four cases corresponded to acute infections, mostly sporadic but including two epidemics. The clinical presentation was respiratory in 74% of the cases and febrile in 18%. Fifteen cases, all but one of which were endocarditis, were categorized as chronic. The cases studied were referred from almost every region of Spain. The clinical and epidemiologic analyses and the number of cases reported permit only an approximation of the true incidence and characteristics of Q fever in Spain.
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Téllez et al. (1988) studied this question.
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