What's West Nile virus? West Nile virus is a mosquito-borne virus and can infect humans, birds, mosquitoes, horses and other animals. People have no symptoms at all or they may become ill with symptoms ranging from mild to severe.
Mosquito control Mosquito control involves reducing the number of mosquitoes in an area through either mechanical or chemical methods.
For King County cities and agencies Public Health works closely with King County agencies and local jurisdictions to provide technical assistance and educational materials to meet the needs of their communities.
All information is general in nature and is not intended to be used as a substitute for appropriate professional advice. For more information, please call 206-296-4600 (voice) or TTY Relay: 711 or toll-free, 800-325-6165. Mailing address: 401 5th Ave., Suite 1300, Seattle, WA 98104 or click here to email us. Because of confidentiality concerns, questions regarding client health issues cannot be responded to by e-mail. Please read the Notice of Privacy Practices. For more information, contact the Public Health Privacy Office at 206-263-8255.