West Nile virus confirmed in Toronto, Canada’s 1st human case this year

Editor’s Note: This story matters because it signals the early presence of West Nile virus in a major Canadian city, raising concerns about potential local outbreaks. Since the infected person hadn’t traveled, it means mosquitoes in Toronto are already carrying the virus, which could pose a risk to others as mosquito season progresses. Public health officials will likely ramp up monitoring and prevention efforts to curb further spread.