|Description:||This is a digitally-colorized transmission electron microscopic (TEM) image of the West Nile virus (WNV). See PHIL 2290 for a black and white version of this image.|
West Nile virus is a flavivirus commonly found in Africa, West Asia, and the Middle East. It is closely related to St. Louis encephalitis virus found in the United States. The virus can infect humans, birds, mosquitoes, horses and some other mammals.