"By this time last year, WNV positive mosquitoes had already been detected in Orange County," said Dr. Hildy Meyers, Orange County's acting health officer.
said there were 17 human cases of West Nile virus in 2005 in Orange County
, compared to a peak of 64 cases in 2004.
Statewide, West Nile cases were up more than 12 percent last year over 2004, because Northern California experienced a significant increase, Meyers
"West Nile virus is here to stay, and it is likely that human cases will occur every year," Meyers