Yellow Fever Say: YEL-oh FEE-vur Yellow fever is caused by a virus carried by mosquitoes. It's usually found only in tropical parts of Africa and South America. Most people who are bitten by an infected mosquito don't get sick. People who do might have a fever or headache, throw up, and get jaundice, which turns the skin yellow and gives the fever its name. Most people with yellow fever get better with no problems. There is a vaccine to prevent yellow fever if you are travelling to places where the disease is common. Back to Articles Related Articles Hey! A Mosquito Bit Me! There are thousands of different kinds of mosquitoes in many different sizes and colors. Learn all about mosquitoes and how they bite you in this article. Read More What Are Germs? You know they can hurt you, but what are these invisible creatures? Find out in this article for kids. Read More What's a Fever? What are fevers? Why do kids get them? Get the facts on temperatures and fevers in this article for kids. Read More Note: All information is for educational purposes only. For specific medical advice, diagnoses, and treatment, consult your doctor. © 1995-2021 KidsHealth®. All rights reserved. Images provided by The Nemours Foundation, iStock, Getty Images, Veer, Shutterstock, and Clipart.com.