There have been three human cases of West Nile Virus in California this year, with one fatal case, according to the ...

The Contra Costa Mosquito and Vector Control District has detected West Nile virus in the San Ramon Valley, the district ...

Contra Costa County confirms its first 2025 avian West Nile virus case in a California scrub jay, prompting community engagement and preventive measures.

A bird infected with West Nile Virus was recently documented in San Ramon. The bird was Contra Costa County’s first to test ...

Anywhere else? Orange County's Mosquito and Vector Control District also confirmed today that mosquito samples tested ...

Mosquitoes testing positive for West Nile virus were discovered in Anaheim and Garden Grove, the Orange County Mosquito and ...

The mosquitoes were located in Arleta, South El Monte, Valley Glen, Van Nuys, Panorama City and Lake Balboa, according to the ...

The first human case of West Nile Virus (WNV) this year has been detected in Kings County, and residents are encouraged to ...