Article
Adaptation of two flaviviruses results in differences in genetic heterogeneity and virus adaptability
13 Aug 2007
Abstract excerpt
West Nile virus (WNV) is a mosquito-borne flavivirus that was first introduced into the USA in the New York City area in 1999. Since its introduction, WNV has steadily increased both its host and geographical ranges. Outbreaks of the closely related flavivirus, St. Louis encephalitis virus (SLEV), occur in the USA periodically, but levels of activity and host range are more restricted than those of WNV....
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