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American dog tick: vector of the Potomac Horse Fever rickettsia, Ehrlichia risticii ?


, : American dog tick: vector of the Potomac Horse Fever rickettsia, Ehrlichia risticii ?. Parasitology Today 5(11): 355-356

Ehrlichia risticii, is an intraleukocytic rickettsia that causes serious disease with a 10-30% mortality in horses. Its means of transmission is in doubt and this letter suggests that the American dog tick, Dermacentor variabilis, is unlikely to be a vector. Seroepizootiological studies have questioned whether a relationship between E. risticii and D. variabilis exists. The results of these studies suggest that exposure and seroconversion to E. risticii is independent of the American dog tick.

US$19.90

PMID: 15463150

DOI: 10.1016/0169-4758(89)90109-9


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