Altering the childhood vaccination schedule, on the scientifically unfounded basis that vaccines cause autism, is so dangerous and destructive. There is a reason we don't have children and adults living in iron lungs today. The is a reason we've be able to control measles, mumps, and rubella outbreaks and that they're not killing thousands and thousands of kids every year. For RFK Jr. to re-examine and change the childhood vaccination schedule without thorough and rigorous scientific research behind any decision being made will potentially have a significant, negative impact on the health and welfare of kids around the country.