West Nile Virus

West Nile virus (WNV) is spread by infected mosquitoes and can be a serious health threat to people, birds and animals. Infected mosquitoes and animals have been found in Washington State during past years. The City of Seattle responds to the West Nile virus threat by helping people learn how to protect themselves and by reducing mosquito breeding on City properties.

Latest news

  • The City of Seattle is monitoring City properties for standing water and mosquito breeding
  • West Nile virus activity in King County for 2009. Learn more >
  • Summary of 2008 West Nile virus activity in Washington State, King County and Seattle. Learn more >

Resources and response