Whenever news of a measles outbreak hits, it’s totally valid to wonder about your own susceptibility to the virus. Even if you were vaccinated as a kid, is there a chance you need a measles booster as an adult?

The best way to stay protected against measles is to get vaccinated, according to experts. The measles, mumps and rubella (MMR) vaccine is 93% effective against measles after one dose and 97% effective against measles after two, according to the CDC .

In Texas, at least 90 cases of measles have been reported in recent weeks across the northwest part of that state.