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.
Current as of: January 26, 2020
Author: Healthwise Staff Medical Review: E. Gregory Thompson, MD - Internal Medicine Anne C. Poinier, MD - Internal Medicine Adam Husney, MD - Family Medicine W. David Colby IV, MSc, MD, FRCPC - Infectious Disease Leslie A. Tengelsen, PhD, DVM - Epidemiology
Medical Review:E. Gregory Thompson, MD - Internal Medicine & Anne C. Poinier, MD - Internal Medicine & Adam Husney, MD - Family Medicine & W. David Colby IV, MSc, MD, FRCPC - Infectious Disease & Leslie A. Tengelsen, PhD, DVM - Epidemiology