2005: tick-borne diseases in coyotes in northern and coastal California.
- From: "CaliforniaLyme" <CaliforniaLyme@xxxxxx>
- Date: 24 Jun 2005 09:48:41 -0700
1: Comp Immunol Microbiol Infect Dis. 2005 May;28(3):197-212. Related
Articles, Links
GIS-facilitated spatial epidemiology of tick-borne diseases in coyotes
(Canis latrans) in northern and coastal California.
Foley JE, Queen EV, Sacks B, Foley P.
Department of Medicine and Epidemiology, School of Veterinary Medicine,
University of California, Davis, CA 95616, USA. jefoley@xxxxxxxxxxx
Ixodes pacificus is the main tick vector for transmission of Anaplasma
phagocytophilum and Borrelia burgdorferi to large vertebrates in
California. The present study was undertaken in I. pacificus-infested
counties in California to examine spatial and temporal relationships
among A. phagocytophilum and B. burgdorferi-exposed coyotes with
vegetation type and climate. The overall A. phagocytophilum and B.
burgdorferi seroprevalences were 39.5% (N=215) and 18.9% (N=148),
respectively, with no association with sex. PCR for A. phagocytophilum
and B. burgdorferi was negative in all blood and kidney samples.
Increased seroprevalence was a positive function of rainfall.
Ehrlichial seropositivity was increased in blue-oak foothill pine,
montane hardwood, and redwood vegetation regions, and decreased in
coastal sagebrush and cropland. Increased exposure to B. burgdorferi
occurred in blue oak woodland.
PMID: 15857659 [PubMed - in process]
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