Colorado health officials said mosquitoes carrying the West Nile virus have been found in Adams, Boulder, Denver, Larimer and Weld counties.

The first human case of West Nile Virus (WNV) this year has been detected in Kings County, and residents are encouraged to ...

KINGS COUNTY, Calif. (KFSN) -- Health officials have confirmed the first case of West Nile virus in Kings County. It marks ...