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Search Health Information    West Nile Virus Transmission Cycle

West Nile Virus Transmission Cycle

West Nile virus transmission cycle

Illustration copyright 2005. Adapted from the U.S. Centers for Disease Control and Prevention. Available online: http://www.cdc.gov

Mosquitoes become infected with West Nile virus when they bite infected birds. And then they may transmit the virus to humans and animals when they bite to take blood.

By Healthwise Staff
E. Gregory Thompson, MD - Internal Medicine
W. David Colby IV, MSc, MD, FRCPC - Infectious Disease
Last Revised August 10, 2012

Last Revised: August 10, 2012

Author: Healthwise Staff

Medical Review: E. Gregory Thompson, MD - Internal Medicine & W. David Colby IV, MSc, MD, FRCPC - Infectious Disease

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