As you have seen in the news, there have been several outbreaks of measles in the United States. Measles had previously been considered an eradicated illness in this country due to very effective vaccination programs. Unvaccinated people have brought new cases into the population and that has raised questions about adult immunity.
The CDC guidance on immunizing adults is that the following people are considered immune to measles:
Acceptable presumptive evidence of immunity against measles includes at least one of the following:
We suggest the following options: