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Reactivity of Rickettsia conorii monoclonal antibodies with four Zimbabwean spotted fever group isolates


, : Reactivity of Rickettsia conorii monoclonal antibodies with four Zimbabwean spotted fever group isolates. South African Journal of Science 87(10): 539-540

One Sicilian and 4 Zimbabwean spotted fever group (SFG) rickettsial isolates were tested by microimmunofluorescence for reactivity with 2 monoclonal antibodies raised against a Sicilian strain of R. conorii. Two of the Zimbabwean strains of R. conorii and the Sicilian strain reacted at high titres (arbitrarily defined as >=1/32) with both monoclonal antibodies, but 2 recently described novel Zimbabwean SFG rickettsiae showed no, or only weak, reactivity with the monoclonal antibodies.

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