West Nile virus activity is on the rise in some northern California counties, according to the Sacramento-Yolo Mosquito and ...

A crow from Walnut Creek has tested positive for West Nile virus (WNV) in Contra Costa County, confirmed the Contra Costa ...

Northern California’s first human West Nile virus case of the year has been confirmed in Butte County, according to local ...

As of July 29, the California Department of Public Health reports that there have been five human cases statewide this year.

There has been an increase in West Nile virus activity as more mosquito samples and dead birds have tested positive in recent ...

Insecticide will be sprayed from an airplane over a north Modesto community Friday night to combat a growing presence of ...

The Windsor-Essex County Health Unit (WECHU) has reported its first human case of West Nile virus of 2025. That's slightly ...

As cases of the West Nile virus continue to rise across North Dakota, state health officials are warning residents to take ...

BUTTE COUNTY, Calif. — Health officials in Butte County have confirmed the first human case of West Nile Virus (WNV) this ...

West Nile Virus infections generally fall into three categories. Eight in 10 people are asymptomatic, one in 5 experience mild to moderate symptoms, and less than 1 in 150 develop ...

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.

Mosquitoes collected in Anaheim and Garden Grove have tested positive for West Nile virus, the first confirmed cases in Orange County this year.