Do you need a measles vaccine booster? What to know as a Texas outbreak spreads A measles outbreak in the U.S. has grown to over 120 cases​​​. Here's what to know about measles vaccines and those who may need a booster.

"There is a very specific group that does have to worry about their immunity from vaccination. People born after 1957 but vaccinated before 1968. At that point in time, they were using less effective vaccines."

😆