May 02, 2019
A nurse prepares a patient's arm to receive a measles, mumps and rubella virus vaccine on April 29, 2019, in Provo, Utah. (George Frey/Getty Images)
The global measles outbreak is raising a lot of questions in the U.S. about which adults may need to get a booster shot.
Here & Now's Jeremy Hobson speaks with Dr. William Schaffner, an infectious disease expert at Vanderbilt University.
This segment aired on May 2, 2019.