INFO:

There were 58 reported cases of measles in the U.S. during all of 2023. But there's already been 41 cases across 16 states so far this year. The outbreak of this highly contagious virus is cause for concern for many public health departments. Dr. Paul Offit, a pediatrician specializing in virology and immunology at Children's Hospital of Philadelphia, joins William Brangham to discuss.