Vaccination provides long-lasting 97% protection against measles infection. Most people who have been vaccinated do not need to be vaccinated again.

Measles had been largely eliminated entirely in the United States as of around 2000 thanks to vaccination and its consequent herd immunity, but unfortunately made a comeback in re

But in his new opinion piece about the ongoing measles outbreak, published March 2 in Fox News, Kennedy wrote that vaccines “not only protect individual children from measles, but also contribute to community immunity,