Yellow fever is a serious viral disease transmitted by infected mosquitoes.
Many countries require proof of yellow fever vaccination for entry, especially if you are traveling from or through regions where yellow fever is endemic.
Vaccination helps control and prevent outbreaks of yellow fever.
People living in or traveling to areas with a high risk of yellow fever transmission, such as parts of Africa and South America.
A single dose of the yellow fever vaccine provides lifelong immunity for most people, offering long-term protection against the disease.