West Nile Virus
West Nile Virus (WNV) is transmitted through the bite of an infected mosquito. Most people infected with WNV do not show symptoms. Others can get fever, head and body aches, fatigue, rash, meningitis or encephalitis. Exposure to WNV can be prevented by reducing mosquito development sites (i.e., standing water) and using personal protection against mosquitoes.
Featured
Event
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PHO Rounds: Respiratory Season 2026–27, Part 2: Overview of Seasonal Respiratory Virus Immunizations in Ontario
The Rounds will review the immunization products available this fall in Ontario, summarize the evidence supporting their use, and highlight new recommendations and changes to the immunization landscape for the 2026–27 respiratory season.
Updated
13 Dec 2024
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