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 2
Summary serologic and polymerase chain reaction (PCR) data for fawns injected with pooled blood from infected source white-tailed deera (WTD1–5)
| Fawns | IFA results | PCR results |
||
|---|---|---|---|---|
| E. ewingii (DPI) b | E. chaffeensis (DPI) | HGE | ||
| Fawn 76 (received blood from WTD1–3) | — | + (47) | — | — |
| Fawn 81 (received blood from WTD 4–5) | + | + (47, 68) | + (15, 20, 47, 68, 110) | — |
aThe five source deer (WTD 1–5) were positive by indirect immunofluorescent antibody (IFA) test (titer ≥128) and negative by PCR for Ehrlichia ewingii, E. chaffeensis, and the HGE agent (Anaplasma phagocytophila)
bDPI, days post inoculation; HGE, human granulocytotropic ehrlichiosis
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