What to know
West Nile virus causes human infections and disease throughout the world. Understanding the risk both in the United States and abroad is important to be able to prevent West Nile virus infections.
External resources
Many government agencies and other organizations provide information about West Nile virus online. Below is a description and links to a selection of these online resources.
CDC does not necessarily endorse the views or information presented on these sites. Furthermore, CDC does not endorse any commercial products or information that may be presented or advertised on any of these sites.
- American Association of Blood Banks (AABB): West Nile Biovigilance Network.
Access data on blood donors with suspected West Nile virus infection in the United States. - Association of State and Territorial Health Officials (ASTHO): Vector-borne and zoonotic diseases information. Find additional information and resources from ASTHO on West Nile virus and other vector-borne diseases impacting the United States.
- Environmental Protection Agency (EPA): Information about insect repellents. Use EPA website to find the repellent that is right for you.
- Public Health Agency of Canada: West Nile virus surveillance data. Learn about the different types of surveillance for West Nile virus and the reported number of cases in humans as reported by the Public Health Agency of Canada.
- European Centre for Prevention and Disease Control: West Nile virus infection. Determine the risk and access latest case numbers for West Nile virus infections in Europe.
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