West Nile has been reported in mosquitoes found in Toronto, York Region and Niagara Region so far, but doctors are cautioning human cases could come soon.

To reduce mosquito populations, Peel Region treats catch basins and stagnant water sources with larvicide throughout the summer months.

The mosquitoes were located in Arleta, South El Monte, Valley Glen, Van Nuys, Panorama City and Lake Balboa, according to the ...

Public health officials on July 22 said mosquito samples collected in Anaheim and Garden Grove have tested positive for West Nile virus, the first confirmed virus activity this year.

A mosquito trap collected in Mississauga near the intersection of Airport Road and Derry Road East the week of July 13 has tested positive for the West Nile Virus (WNV).

An unnamed individual in Maricopa County, Arizona, was diagnosed with the deadly virus, which is becoming more prevalent in ...