Orange County vector control officials have announced a series of treatments to address an increase in mosquitoes and the ...

West Nile virus results in serious illness in about 1 in 150 people, ... Approximately 94% of all West Nile cases in Orange County come from the cities of Fullerton, La Habra, Buena Park ...

Orange County officials are calling this an intense year for transmission of the virus. So far, 80 percent of the mosquitoes collected in Orange County this year have tested positive for ...

“The Orange County Mosquito and Vector Control District (OCMVCD) has confirmed the first mosquito sample to test positive for West Nile virus (WNV) in 2019,” states an Aug. 5 OCMVCD news ...