Detection of Borrelia lonestari , Putative Agent of Southern Tick-Associated Rash Illness, in White-Tailed Deer ( Odocoileus virginianus ) from the Southeastern United States

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Abstract
To determine if white-tailed deer may serve as a reservoir host for Borrelia lonestari , we used a nested PCR for the Borrelia flagellin gene to evaluate blood samples collected from deer from eight southeastern states. Seven of 80 deer (8.7%) from 5 of 17 sites (29.4%) had sequence-confirmed evidence of a B. lonestari flagellin gene by PCR, indicating that deer are infected with B. lonestari or another closely related Borrelia species. Our findings expand the known geographic range of B. lonestari and provide the first evidence of this organism in a vertebrate other than humans.