Public health officials in Solano County confirmed a positive West Nile Virus detection in mosquitoes collected from near the ...

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

A crow from Walnut Creek has tested positive for West Nile virus (WNV) in Contra Costa County, confirmed the Contra Costa Mosquito and Vector Control District on Friday. This is the ...

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

West Nile virus detected in a mosquito pool in Solano County, with health officials urging preventative measures.

Health officials in Butte County have confirmed the first human case of West Nile Virus (WNV) this year. Butte County ...

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 ...