West Nile Fever - more reports of virus findings in USA (update)

The virus that causes West Nile fever has been found in infected mosquitoes or dead birds in the following area:

California (San Mateo County); Pennsylvania (Dauphin County)

Travellers to areas where the West Nile virus has been found can reduce their risk of exposure to the West Nile Fever virus by taking 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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