Adults born before 1957 are assumed to have natural immunity because they were likely exposed to measles before the vaccine was created. Adults born and vaccinated between 1957 an

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

After being declared eradicated 25 years ago, measles is making a comeback. The good news is, most people who were vaccinated have good protection. Throughout February, a measles outbreak has been growing in West Texas.