Abstract
Summary
Bond-phase enzyme lmmu-noassay (EIA) and radioimmunoprecipitation tests were developed for detection of antibodies to Rochalimaea (Rickettsia) quintana in trench fever. Both were equally sensitive, and both detected more positive sera than either passive hemagglutination or immunofluorescence tests. The advantages of EIA are the stability of label and ease and safety of use.
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