Yellow fever is a disease caused by a virus. A mosquito passes the virus to you through a bite on your skin.
Your risk is higher if you live in or travel to places where yellow fever is common.
Some people do not have problems. If symptoms appear, they may involve:
Serious problems may include:
The goal of care is to ease symptoms. There are no medicines to treat the illness.
The shot comes from a weakened, live form of the virus made in a lab.
A shot is the best way to avoid yellow fever. You may need it if you live in or travel to places where it's common.
Common minor reactions may involve:
Rare, serious reactions may involve:
Some people shouldn't get the shot and may include:
If you are in a high-risk group and need the vaccine, talk to your doctor about the risks. Your doctor can test your blood for signs of immunity.
To help lower your chances of yellow fever:
Yellow fever isn’t present in the US, so an outbreak isn’t likely. If one occurs, people without yellow fever would get the shot to lower the chance of getting it from others.
WHERE CAN I GET MORE INFORMATION?
Centers for Disease Control and Prevention
World Health Organization
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Last reviewed May 2018 by David L. Horn, MD, FACP Last Updated: 5/14/2018