It’s the start of mosquito season in Toronto. What does that mean for West Nile virus?

Toronto is seeing the return of summer’s least-welcome visitors: mosquitoes. As their unwelcome buzz hums again in the city, so do concerns about West Nile virus, after Toronto Public Health reported its first confirmed case of the year.

Toronto Public Health has confirmed the city's first human case of West Nile virus in 2026 as officials urge residents to protect themselves from mosquito bites.

Toronto Public Health confirms first human case of West Nile virus in 2026  Toronto Star