The pages accessible in English concern access to services and security in regard with health and social services in accordance with the French language charter. The Charter of the French language and its regulations govern the consultation of English-language content. 

West Nile Virus

What is West Nile virus (WNV)?

West Nile virus (WNV) is transmitted by a bite from an infected mosquito. It can be contracted in Canada, the United States and other regions of the world. The virus has been present in Canada since 2002, specifically in the southwest regions of the province.

In most cases, individuals infected with West Nile virus do not present any symptoms. Certain individuals may display some.
Symptoms generally appear between 2 to 14 days after being infected.

When to see a doctor?

You should see a doctor immediately if you present:

  • Severe and unusual headaches;
  • high fever;
  • stiff neck;
  • confusion;
  • muscle weakness.

Protection and prevention

Avoiding mosquito bites is the best way to prevent a West Nile virus infection. Simple measures can be taken to protect yourself from mosquito bites.

Source: Portail santé mieux-être