The yellow fever vaccine is a live vaccine, meaning it contains a weakened form of the virus. For most people, a single yellow fever vaccine can provide lifelong protection against the virus. Yellow ...
Experts are warning that yellow fever — which hasn’t had a major outbreak in the U.S. since 1905 — could make a comeback. (Photo illustration: Yahoo News; photo: Getty Image) When you think of yellow ...
Health on MSN
What To Know About Yellow Fever
Yellow fever is a viral illness spread by mosquitoes in some parts of Africa and South America. You can take a single-dose ...
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