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.
Educational materials Order hard copy materials, download flyers in multiple languages, access the West Nile virus factsheet and view a presentation.
For King County health care providers Human and animal reports, transmission, clinical presentation, lab testing, treatment and reporting guidelines.
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.
