Only about 20% of patients infected with the virus develop symptoms, according to Tarrant County Public Health. Serious cases ...

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

Boulder County Public Health confirmed that, last week, mosquitoes trapped on the east side of Niwot tested positive for West ...

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

Canton City Public Health says a third mosquito trapped in the city has tested positive for the West Nile virus.

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

Mosquitoes are testing positive for the West Nile virus in Louisville's Highlands and Tyler Park neighborhoods.

Health officials urge Texans to take precautions, like wearing long sleeves, using repellent, and eliminating standing water ...

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.

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

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