Here's what to know if you're unsure about your measles immunity status

Vaccination is the best way to protect yourself against measles. For most adults, one shot of the MMR is considered enough protection. But there are certain situations that call for a second dose.

<img src='https://npr.brightspotcdn.com/dims3/default/strip/false/crop/4800x2700+0+0/resize/4800x2700!/?url=http%3A%2F%2Fnpr-brightspot.s3.amazonaws.com%2Fe3%2F03%2Fc627607e45a2a96bb711a7def771%2Fnpr-measles-109.jpg' alt='undefined'/><p>Vaccination is the best way to protect yourself against measles. For most adults, one shot of the MMR is considered enough protection. But there are certain situations that call for a second dose.</p><img src='https://media.npr.org/include/images/tracking/npr-rss-pixel.png?story=nx-s1-5991904' />