west nile virus in raptors from virginia during 2003: clinical, diagnostic, and epidemiologic findings. | sixty-one birds of prey admitted to the wildlife center of virginia (wcv; waynesboro, virginia, usa) from june to november 2003 were tested for west nile virus (wnv) infection. choanal and/or cloacal swabs were obtained and submitted to virginia's division of consolidated laboratory services (richmond, virginia, usa) for analysis with real-time reverse transcriptase polymerase chain reaction (rt-pcr). forty birds of prey were positive for wnv by rt-pcr. five avian families and nine species of ra ... | 2006 | 16870856 |