Local health agencies have already found virus-positive mosquitoes in Sacramento, Kern, Tulare, and Santa Clara counties, according to the California West Nile Virus program. No human cases have been ...

Culex Pipiens mosquitos collected by the Sacramento-Yolo Mosquito & Vector Control District at Seymour Park in Sacramento’s Pocket neighborhood wait to be tested on July 19, 2018. Hector Amezcua ...