West Nile Virus

Fight the Bite

Fight the Bite LogoWest Nile virus (WNv) is a mosquito-borne virus that can cause West Nile Non-Neurological syndrome (formerly known as West Nile fever) or occasionally the more serious West Nile Neurological Syndrome.

WNv is transmitted to humans primarily through the bite of an infected mosquito. WNv can affect anyone – one in five people who do become infected become ill. Severe illness associated with the virus is rare, but risk increases with age. However, the good news is that all Albertans can take some simple steps to protect themselves.

West Nile virus in Alberta

The first evidence of WNv in Alberta was confirmed in July 2003.

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