West Nile virus

Learn about West Nile virus, its causes, symptoms, risks, treatment, prevention and surveillance. Also find information for health professionals.

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Explore the causes of West Nile virus, how it is spread and where it is found.


Learn about the symptoms of West Nile virus, what to look for and what to do if you become ill.


Find out what the risks of West Nile virus are and who is most at risk.


Access information on how West Nile virus is diagnosed and treatment options.


Discover how West Nile virus can be prevented.


Learn about the different types of surveillance for West Nile virus and the reported number of cases in humans.

For health professionals

Get detailed information on West Nile virus, its diagnosis, clinical assessment and prognosis.

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