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 may transmit the virus to humans and animals when they bite to take blood.
Medical Review:Martin Gabica, MD - Family Medicine
W. David Colby IV, MSc, MD, FRCPC - Infectious Disease
W. David Colby IV, MSc, MD, FRCPC - Infectious Disease
Last Updated: 11/13/2006
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