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. 2011 Mar;48(2):418-21.
doi: 10.1603/me10181.

Rickettsia rickettsii in Rhipicephalus ticks, Mexicali, Mexico

Marina E Eremeeva  1 , Maria L Zambrano, Luis Anaya, Lorenza Beati, Sandor E Karpathy, Maria Margarida Santos-Silva, Beatriz Salceda, Donald MacBeth, Hector Olguin, Gregory A Dasch, Celia Alpuche Aranda
Affiliations

Rickettsia rickettsii in Rhipicephalus ticks, Mexicali, Mexico

Marina E Eremeeva et al. J Med Entomol. 2011 Mar.

Abstract

Circulation of a unique genetic type of Rickettsia rickettsii in ticks of the Rhipicephalus sanguineus complex was detected in Mexicali, Baja California, Mexico. The Mexican R. rickettsii differed from all isolates previously characterized from the endemic regions of Rocky Mountain spotted fever in northern, central, and southern Americas. Rhipicephalus ticks in Mexicali are genetically different from Rh. sanguineus found in the United States.

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