Study Of Q Fever in Animals and Man in Pennsylvania

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Abstract
The problem of Q fever in the state of Pennsylvania was investigated by tracing documented human cases and carrying out serological tests on animals associated with these cases. In addition, a limited random survey of animals in the state was accomplished. A considerable number of cattle showed antibodies to the Q fever antigen. Both complement fixation test and capillary agglutination test were used. Whey was tested by the capillary agglutination test. The data indicate that Q fever may be an important health problem in the state of Pennsylvania. The presence of an undiagnosed acute febrile illness warrants serologic tests for Q fever. The appear- ance of human cases probably bears some relationship to the incidence of Q fever titers in the local cattle population.