West Nile virus found in mosquitoes in more areas of IL, AZ, CA, NY, and throughout PA.

Health authorities continue to examine local mosquitoes and report isolations of the virus that causes West Nile Fever. The latest places where the virus has been found include:

  • Elmhurst, IL
  • Yuma County, AZ
  • Oakley, CA
  • Rockland County, NY
  • Throughout Pennsylvania (43 of Pennsylvania’s 67 counties)

Travellers should be aware that the West Nile virus is fairly widespread in the USA. To avoid exposure to the virus, travellers should take all necessary precautions to avoid mosquito bites.

Visit our Health Library for more information on exposure to and the prevention of West Nile Fever.