[coxiella burnetii infections (q fever) in animals and humans in poznan and leszno districts detected by serodiagnosis].in poznań and leszno districts, serological survey of q fever among cattle and sheep have been performed since 1973. coxiella burnetii infections have not been detected until 1985. during this period 28,272 blood samples derived from cattle and sheep have been tested. for the first time in poznań district, seropositive cattle were found in 1986 (5.5%). in the next year percentage increased to 16.3% and in following years has been on similar level. in leszno district, serum antibodies to c. burne ...19938171200
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