The first human West Nile Virus infection reported this year is a woman from the city of Orange, the OC Health Care Agency announced Monday, Aug. 28.

The West Nile Virus can cause serious symptoms for humans, even death, though in most cases is milder and flu-like. It is primarily transmitted to humans through the bite of infected mosquitoes, which acquire the virus when feeding on infected birds.

Most people who become infected with the virus do not experience symptoms, but some can develop fever, head or body aches, nausea and tiredness. More serious symptoms are rare, such as neck stiffness, severe headaches, confusion, muscle weakness or paralysis, but health officials urge folks who develop these symptoms to seek immediate medical attention.

The Orange County Mosquito and Vector Control District has reported sample mosquitoes testing positive for the virus in eight Orange County cities including Santa Ana, La Habra, Fullerton and Anaheim.

Last year, there were 11 reported human infections of the West Nile Virus and two deaths.

“West Nile Virus is endemic in Orange County, recurring every year during the summer months and continuing into the fall,” Matthew Zahn, deputy county health officer, said in a statement. “The best way to avoid West Nile Virus infection is to take precautionary measures to avoid mosquito bites.”

With mosquito season still in full force, the OC Health Care Agency recommends that to protect themselves from the infectious insects, residents should empty any standing water such as planters and pet bowls, use insect repellent, and wear long-sleeved clothing.

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