Health officials in Toronto say mosquitoes in the city have tested positive for the West Nile virus for the first time this year.

Health officials in Toronto say mosquitoes in the city have tested positive for the West Nile virus for the first time this year.

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  • A second person has died after contracting the hantavirus, a rodent-borne disease at Yosemite National Park. Officials have issued a warning to 1,700 people who visited between mid-June and late-August.
  • Toronto has seven confirmed human cases of the West Nile virus.