yellow fever vaccine
Definition
A live attenuated vaccine administered to prevent yellow fever, a mosquito-borne viral disease endemic to tropical regions of South America and Africa, providing long-term immunity typically lasting 10 years or more with a single dose.
An injectable immunization recommended by the World Health Organization for travelers to yellow fever risk areas, often required for entry into certain countries.
Examples
Before jetting off to Brazil, I rolled up my sleeve for the yellow fever vaccine – because nothing says 'vacation ready' like a sore arm and zero regrets.
My buddy skipped the yellow fever vaccine and spent his safari hallucinating monkeys; I got mine and just hallucinated compliments on my bravery.
The yellow fever vaccine certificate is basically a golden ticket for tropical adventures, minus the Willy Wonka weirdness.
Armed with my fresh yellow fever vaccine, I strutted into the jungle clinic like a mosquito-repelling superhero in khakis.