Can You Get the Yellow Fever Vaccine Twice in One Year?

Yellow Fever Vaccine Booster Guidelines

The World Health Organization (WHO) recommends a single dose of the yellow fever vaccine for most travelers aged 9 months and older, which provides lifelong immunity.

Exceptional Circumstances

An additional dose may be considered only for:

• People with specific medical conditions affecting immunity
• Laboratory workers with ongoing exposure risk
• Travelers to highly endemic areas with frequent exposure

Even then, a minimum interval of one year is recommended, and only after consulting a medical professional.

Bottom line: Routine revaccination within a year is not recommended. Consult a travel medicine specialist for personalized advice.