Yellow Fever Vaccination | CDC
https://www.cdc.gov/vaccines/vpd/yf/index.html
WEBApr 2, 2012 · Travelers should get vaccinated for yellow fever before visiting areas where yellow fever is found. For most travelers, a single dose of yellow fever vaccine provides long-lasting protection, and a booster dose of the vaccine is not needed. However, some travelers may require a booster dose.
DA: 67 PA: 87 MOZ Rank: 80