Navigating vaccine misinformation with a pediatrician

The CDC recently rewrote its vaccine guidance to suggest shots might cause autism, renewing false claims about vaccines and causing anxiety among parents. Physicians often deal with misinformation, but the difference is that it's now coming from the federal government. How do families know what guidance to trust? NPR's Scott Detrow speaks with Dr. James Campbell, a practicing pediatrician and professor at the University of Maryland School of Medicine, on how families should navigate the changing guidance.