I Don't Know What That Means, but I'm Not Sure What It Means

Sally Kohn: I think we could do better to try to help people understand that there really are no vaccine risks, or no significant ones that we should be worried about. She says some parents who know in their hearts that they should be vaccinating their kids just need clearer evidence because they're just too hard for them. "I probably should have just written a one page thing that was like vaccines are safe and effective," she adds.