Seroprevalence of Ehrlichia canis, Ehrlichia chaffeensis and Ehrlichia ewingii in dogs in North America

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dc.contributor.author Beall, Melissa J.
dc.contributor.author Alleman, A. Rick
dc.contributor.author Breitschwerdt, Ed B.
dc.contributor.author Cohn, Leah A.
dc.contributor.author Couto, C. Guillermo
dc.contributor.author Dryden, Michael W.
dc.contributor.author Guptill, Lynn C.
dc.contributor.author Iazbik, Cristina
dc.contributor.author Kania, Stephen A.
dc.contributor.author Lathan, Patty
dc.contributor.author Little, Susan E.
dc.contributor.author Roy, Alma
dc.contributor.author Sayler, Katherine A.
dc.contributor.author Stillman, Brett A.
dc.contributor.author Welles, Elizabeth G.
dc.contributor.author Wolfson, Wendy
dc.contributor.author Yabsley, Michael J.
dc.date.accessioned 2012-05-31T15:30:26Z
dc.date.available 2012-05-31T15:30:26Z
dc.date.issued 2012-02-08
dc.identifier.uri http://hdl.handle.net/2097/13882
dc.description.abstract Background: This study evaluated the exposure of dogs to three different Ehrlichia spp. in the south and central regions of the United States where vector-borne disease prevalence has been previously difficult to ascertain, particularly beyond the metropolitan areas. Methods: Dog blood samples (n = 8,662) were submitted from 14 veterinary colleges, 6 private veterinary practices and 4 diagnostic laboratories across this region. Samples were tested for E. canis, E. chaffeensis and E. ewingii specific antibodies using peptide microtiter ELISAs. Results: Overall, E. canis, E. chaffeensis and E. ewingii seroprevalence was 0.8%, 2.8%, and 5.1%, respectively. The highest E. canis seroprevalence (2.3%) was found in a region encompassing Arkansas, Louisiana, Oklahoma, Tennessee and Texas. E. chaffeensis seroreactivity was 6.6% in the central region (Arkansas, Kansas, Missouri, and Oklahoma) and 4.6% in the southeast region (Georgia, Maryland, North Carolina, South Carolina, Tennessee and Virginia). Seroreactivity to E. ewingii was also highest in the central region (14.6%) followed by the southeast region (5.9%). The geospatial pattern derived from E. chaffeensis and E. ewingii seropositive samples was similar to previous reports based on E. chaffeensis seroreactivity in white-tailed deer and the distribution of human monocytic ehrlichiosis (HME) cases reported by the CDC. Conclusions: The results of this study provide the first large scale regional documentation of exposure to E. canis, E. chaffeensis and E. ewingii in pet dogs, highlighting regional differences in seroprevalence and providing the basis for heightened awareness of these emerging vector-borne pathogens by veterinarians and public health agencies. en_US
dc.relation.uri http://doi.org/10.1186/1756-3305-5-29 en_US
dc.subject Ehrlichia en_US
dc.subject E. canis en_US
dc.subject E. chaffeensis en_US
dc.subject E. ewingii en_US
dc.subject Dog en_US
dc.subject Tick en_US
dc.subject Prevalence en_US
dc.title Seroprevalence of Ehrlichia canis, Ehrlichia chaffeensis and Ehrlichia ewingii in dogs in North America en_US
dc.type Article (publisher version) en_US
dc.date.published 2012 en_US
dc.citation.doi 10.1186/1756-3305-5-29 en_US
dc.citation.jtitle Parasites & Vectors en_US
dc.citation.spage 29 en_US
dc.citation.volume 5 en_US
dc.contributor.authoreid dryden en_US


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