If you are experiencing a medical emergency please dial 911 immediately
Yellow fever is a serious viral infection transmitted by mosquitoes. It occurs mostly in Africa and South America. A vaccine is available that can prevent yellow fever.
Symptoms of yellow fever usually appear suddenly and may include:
There is no specific treatment for yellow fever. Many cases of yellow fever are mild, and people recover completely within a few days to a week. More severe cases may lead to serious bleeding, failure of the heart, liver, or kidneys, and death within a week to 10 days.
Last Revised: March 27, 2013
Author: Healthwise Staff
Medical Review: E. Gregory Thompson, MD - Internal Medicine & W. David Colby IV, MSc, MD, FRCPC - Infectious Disease
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