Three dead birds in Sacramento County were found to have contracted the virus as activity ramped up in Placer County.

Mosquitoes carrying West Nile virus have been detected in Anoka and Carver counties, but officials say people shouldn’t be ...

Mosquitoes in two areas of Weld County have tested positive for West Nile virus, though no human cases have yet been reported ...

West Nile causes no symptoms in most people, and mild illness in others. It can also cause neurological disease in rare cases ...

Vaccines are available to prevent illness in horses, but the only protection for humans is to prevent mosquito bites. AgriLife reports that mosquitoes tend to feed at dusk and throughout the night, ...

Hamilton County health officials have confirmed the first positive case of West Nile virus in mosquitoes within its ...

Tarrant County health officials on Monday announced the county’s first West Nile virus case of the year. The patient was diagnosed with West Nile fever, according to the announcement, but not with the ...

West Nile virus has been detected in three mosquito samples collected across Iowa, according to the Iowa Department of Health ...

On Thursday, the Metropolitan Mosquito Control District said they found mosquitoes in Anoka and Carver counties with West ...

Officials are warning the public to take proactive measures to avoid transmission but said there is no reason for alarm over the cases in Anoka and Carver Counties ...

Most West Nile cases in Colorado happen between July and September, though mosquitoes can live until the first snow or hard ...