seroepidemiology of q fever in new brunswick and manitoba.a seroepidemiological survey, using an indirect immunofluorescence test, was carried out on serum samples obtained from new brunswick and manitoba blood donors during 1986. the antigens were coxiella burnetii phase i and phase ii from strain nine mile. eighty of the 503 (15.9%) manitoba blood donors had a phase ii antibody titer of greater than or equal to 1:8, while 41 (4.2%) of the 966 new brunswick blood donors had such antibodies. we have recently diagnosed three cases of q fever in new brun ...19883063363
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