What is the yellow fever vaccine?
Quick Answer
The yellow fever vaccine protects against a mosquito-borne viral disease that can cause severe liver damage and bleeding. It is a live attenuated vaccine first used in the 1930s.
The Full Story
Yellow fever is a serious tropical disease spread by infected mosquitoes, and severe cases can cause jaundice, hemorrhage, and organ failure. The vaccine is highly effective and has been a key tool in travel medicine and outbreak prevention. The 17D yellow fever vaccine was developed in the 1930s and remains one of the most successful live attenuated vaccines. In some countries and for some travelers, proof of vaccination may be required. It is a classic example of a vaccine protecting against a dangerous arboviral disease.
Key Facts
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