There is currently a measles outbreak hitting Washington State and northwest Oregon with over 50 people now infected with measles. There is talk of a new bill being passed to make it harder for parents to opt out of the measles vaccine and anti-vaxxers are protesting this move. Host Dan Loney talks more about this controversy with Paul Offit, Director of the Vaccine Education Center and Professor of Pediatrics in the Division of Infection Diseases at the Children’s Hospital of Philadelphia (CHOP), Dr. Peter Jay Hotez, Dean of the National School of Tropical Medicine at Baylor College and Co-Director of the Texas Children’s Hospital Center for Vaccine Development, and Daniel Salmon, Director of the Institute for Vaccine Safety based at the Johns Hopkins Bloomberg School of Public Health, on Knowledge at Wharton.