Human West Nile fever cases confirmed in St. Louis & Jefferson County in the US and Halton, ON in Canada

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:

  • Oakridge & East London, U.K.
  • Medina County, OH, USA
  • Haverhill, MA, USA
  • Dane County & Waupaca County, WI, USA

Additionally, human cases of West Nile fever have been confirmed in the following areas:

  • Jefferson County, IN, USA
  • St. Louis, MO, USA
  • Halton, ON, Canada

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.

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