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

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 ...

“West Nile virus is endemic in Orange County, recurring every year during the summer months and continuing into the fall,” said Dr. Clayton Chau, acting county health officer, in a ...

Orange County this year has had 26 confirmed symptomatic West Nile virus infections, 22 of which led to hospitalizations, according to health officials. There have also been five confirmed ...