If you've already been vaccinated for measles, do you need to get a booster now that it's spreading in the US?

There was an measles outbreak when Candace DeMatteis was in college — back before cellphones were ubiquitous and the idea of photographing and texting a copy of vaccination records was unheard of. “I literally was kicked out of class,

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