There are no medications to treat or vaccines to prevent infection. Fortunately, most people infected will have no symptoms. About 1 in 5 people who are infected will develop a fever with other symptoms. Less than 1% of infected people develop a serious, sometimes fatal, neurologic illness.
Help us fight West Nile virus! If you see a dead bird in King County, report it through the Washington State Dept. of Health's online dead bird reporting website.