National Pesticide Information Center



West Nile Virus

West Nile Virus (WNV) is transmitted by mosquitoes. Cases of WNV have been reported in humans and certain animals throughout the United States. Follow the links below to learn more about West Nile Virus, the symptoms it may cause and to find Federal Resources related to WNV.

Symptoms and General Information

West Nile Virus Statistics and Maps

Federal West Nile Virus Resources

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If you have questions about this, or any pesticide-related topic, please call NPIC at 1-800-858-7378 (8:00am - 12:00pm PST), or email at npic@ace.orst.edu.

Last updated November 18, 2015