Briefly understand the cause, symptoms, and ways to prevent it.
Know how to prevent West Nile.
Know the symptoms and what to do if you think you have West Nile.
Learn what causes West Nile and how it is spread.
View data and maps for West Nile.
For Professionals
Learn how to treat and prevent West Nile virus disease.
Learn the clinical signs and symptoms of West Nile virus disease.
- Know what tests to order to diagnose West Nile virus infection.
- Know the cause of West Nile virus disease and how it is transmitted.
- Link to additional information about West Nile virus in the United States.
- Access a clinical training for West Nile virus disease.
- Health departments can use a CDC-created toolkit to communicate about West Nile outbreaks.