Science & Technology · North America

Once a global leader in containing measles, U.S. now struggles with surge

When it comes to measles, the U.S. is going backwards. Our country, once a global leader in our ability to contain this virus, is now seeing measles surge back. Horizons moderator William Brangham explores how we got here, and where we go now with Dr. William Schaffner and Jessica Malaty Rivera.