Volume 8, Number 7—July 2002
Research
Ehrlichia ewingii Infection in White-Tailed Deer (Odocoileus virginianus)
Michael J. Yabsley*
, Andrea S. Varela*, Cynthia M. Tate*, Vivien G. Dugan*, David E. Stallknecht*, Susan E. Little*, and William R. Davidson*
, Andrea S. Varela*, Cynthia M. Tate*, Vivien G. Dugan*, David E. Stallknecht*, Susan E. Little*, and William R. Davidson*
Table 1
Polymerase chain reaction (PCR) results for Ehrlichia chaffeensis and E. ewingii in 110 white-tailed deer, southeastern United States
| Locationa | County/state | E. chaffeensis PCR no. positive/ no. tested (%) | E. ewingii PCR no. positive/ no. tested (%) |
|---|---|---|---|
| White River NWR | Arkansas, AR | 0/5 | 0/5 |
| Felsenthal NWR | Ashley, AR | 0/5 | 0/5 |
| Pea Ridge NMP | Benton, AR | 1/6 (17) | 1/6 (17) |
| Shirey Bay WMA | Lawrence, AR | 0/5 | 0/5 |
| Cache River NWR | Monroe, AR | 1/5 (20) | 0/5 |
| St. Vincent NWR | Franklin, FL | 0/4 | 0/4 |
| White Oak CC | Nassau, FL | 0/5 | 0/5 |
| Piedmont NWR | Jones, GA | 0/5b | 0/5c |
| St. Catherines Island | Liberty, GA | 0/5 | 0/5 |
| Blackbeard Island | McIntosh, GA | 1/7 (14) | 2/7 (29) |
| Harris Neck NWR | McIntosh, GA | 0/5 | 0/5 |
| Ballard WMA | Ballard, KY | 0/5 | 0/5 |
| Fort Knox | Hardin, KY | 0/5 | 0/5 |
| West Kentucky WMA | McCracken, KY | 1/5 (20) | 1/5 (20) |
| Tensas River NWR | Madison, LA | 0/3 | 0/3 |
| Dahomey NWR | Bolivar, MS | 0/3 | 0/3 |
| Cape Hatteras NS | Dare, NC | 1/4 (25) | 1/4 (25) |
| Mattamukseet NWR | Hyde, NC | 1/5 (20) | 0/5 |
| Sea Pines | Beaufort, SC | 0/18 | 1/18 (6) |
| Kiawah Island | Charleston, SC | 0/5 | 0/5 |
| Total | 6/110 (5.5) | 6/110 (5.5) | |
aNWR, National Wildlife Refuge; NMP, National Military Park; WMA, Wildlife Management
Area; CC, Conservation Center; NS, National Seashore.
bAt least 1 (20%) of 5 was positive based on transmission to fawn 81.
cAt least 2 (40%) of 5 were positive based on transmission to both fawns 76 and 81.
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