For more information, see our West Nile Virus Fact Sheet (PDF). Dead Bird Reporting. Dead or sick birds, especially corvids (crows, ravens or blue jays), can indicate that West Nile virus is active in a particular area. The Washtenaw County Health Department does not test dead or sick birds for West Nile virus or any other diseases.
Vaccination for West Nile virus is recommended as a core vaccine and is an essential standard of care for all horses in North America. See Fact Sheet VTMD-9119. If a horse develops symptoms of illness suggestive of West Nile encephalitis, titers may not be possible to differentiate between a vaccinated horse and a horse naturally infected with WNV.
West Nile Virus Fact Sheet Vaccination is recommended to protect horses from this deadly mosquito-borne disease The American Association of Equine Practitioners recom-mends vaccinating all horses against West Nile virus. ERICA LARSON
West Nile virus is almost always spread to people by the bite of an infected mosquito. Mosquitoes become infected after feeding on birds that carry the virus. There is no evidence that West Nile virus can be spread by direct contact with infected people or animals. West Nile Virus Fact Sheet. PDF Version of this Fact Sheet. West Nile virus (WNV) is a virus that is transmitted by mosquitoes that affects the. nervous system. It has been found in humans, birds, horses, and other animals, in Africa, Eastern Europe, and the Middle East.