Mosquitoes in San Diego County tested positive for West Nile virus near San Carlos; County officials urge “Prevent, Protect, ...

A woman in her 60s tested positive for the disease and is still recovering, the county said Thursday.

Mosquitoes collected during routine monitoring near the San Carlos neighborhood have tested positive for West Nile virus, ...

A mosquito-control district will release mosquitoes into Rosemont weekly starting July 7 to help eliminate dangerous species ...

In a five-year average of mosquito abundance, we’re off the charts,” a spokesman for the Orange County Mosquito and Vector ...

Mosquito season typically starts in April, but the county reminded everyone on Thursday to follow three steps: Prevent, Protect and Report.

San Bernardino County health officials are sounding the alert after the discovery of mosquitoes that tested positive for the ...

A new mosquito-control effort began next week, but officials said residents had a role, too.

Sacramento County public health officials have confirmed the county's first human case of West Nile virus this year, with experts emphasizing mosquito prevention as key to avoiding infection.

First human West Nile case in Sacramento County this year. Officials urge precautions before the holiday weekend.

Mosquitoes infected with West Nile virus have been found this week in Westminster and Costa Mesa, prompting officials to ...