J Med Entomol. 1991 Sep;28(5):598-600.

Transmission of a spotted fever group rickettsia by Amblyomma hebraeum (Acari: Ixodidae).

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Department of Clinical Veterinary Studies, Faculty of Veterinary Science, University of Zimbabwe, Harare.

Abstract

Amblyomma hebraeum, a cattle tick common in southern Africa, was demonstrated to be capable of maintaining an infection with an unclassified spotted fever group rickettsia both transtadially and transovarially. All feeding stages of the tick transmitted the infection to rabbits. The rickettsia was isolated and found to be serotypically distinct from three strains of Rickettsia conorii by microimmunofluorescence. Rabbit serum titers were found to be higher with indirect fluorescent antibody (IFA) tests using the Amblyomma isolate than with those using a commercially available IFA test for R. conorii.

PMID:: 1941925; [PubMed - indexed for MEDLINE]

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Antibodies, Bacterial

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Transmission of a spotted fever group rickettsia by Amblyomma hebraeum (Acari: Ixodidae).

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