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 ...

Following the discovery of West Nile virus in mosquitoes in Rolando late last month, county crews will conduct pesticide ...

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

DENVER ( KDVR) — The first trace of the West Nile virus this season was found in Denver through a positive mosquito sample.

San Diego County will apply pesticide treatments in Rolando to reduce the number of mosquitoes in the area after West Nile ...

The case involves the non-neuroinvasive form of the disease, the milder form of the virus. Beyond that, health officials ...

They want to suck your blood — and spread disease. The New Mexico Department of Health on Thursday issued an advisory warning residents to take precautions against mosquito bites amid the threat of ...

Weld County had 15 reported cases of human West Nile virus, according to the website. The year before reached 52 cases.

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

GRAND FORKS — West Nile Virus has been identified in a group of mosquitoes in Grand Forks, the city's mosquito control program said in a release Tuesday. Positive test rates for mosquitoes remain low ...