West Nile virus—an old virus learning new tricks?

  title={West Nile virus—an old virus learning new tricks?},
  author={Thomas Briese and Kristen A Bernard},
  journal={Journal of NeuroVirology},
West Nile virus (WNV) has spread across the United States causing annual outbreaks since its emergence in 1999. Although severe disease develops only in about 1% of infections, WNV has claimed a total of 564 lives in the 5 years from 1999 to 2003. Observation of flaccid paralysis due to WNV infection at a higher incidence than previously documented and the… CONTINUE READING