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Last Updated: Aug 6th, 2008 - 09:50:39 |
NIAID Research on West Nile Virus
West Nile virus (WNV) is an emerging infectious disease that made its first appearance in the United States in 1999. The microbe that causes the infection belongs to a group of disease-causing viruses known as flaviviruses that are usually spread by ticks or mosquitoes. Other well-known diseases caused by flaviviruses include yellow fever, Japanese encephalitis, dengue, and Saint Louis encephalitis.
West Nile Virus and Dead Birds
West Nile Virus and Dead Birds
West Nile Virus, Pregnancy and Breast-feeding
Based on the limited number of cases studied so far, it is not yet possible to determine what percentage of WNV infections during pregnancy result in infection of the fetus or medical problems in newborns
West Nile Virus: What You Need To Know
West Nile virus (WNV) is a potentially serious illness. Experts believe WNV is established as a seasonal epidemic in North America that flares up in the summer and continues into the fall. This fact sheet contains important information that can help you recognize and prevent West Nile virus.
West Nile Virus and Horses
Has West Nile virus caused severe illness or death in horses?
West Nile Virus Poliomyelitis
What is the “acute flaccid paralysis” that sometimes occurs with WNV infection?
West Nile Virus
The West Nile virus first emerged in the Western Hemisphere in 1999 in the New York City area and has since spread across the United States. The virus is transmitted to humans by mosquitoes.
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