Vaccines are safe and effective, and when a sufficiently high percentage of people are immunized, community immunity from a vaccine protects even the unvaccinated. To protect public safety, states passed laws to achieve community immunity, including requiring vaccination before entering school. To achieve the political will to pass those vaccination laws, legislatures also included nonmedical exemptions, which initially were rarely used by parents because most understood the dangers of vaccine-preventable diseases, such as polio and measles. Thanks to vaccines, this present generation of parents no longer have experience with these diseases. However, some saw the opportunity to exploit these circumstances for personal gain by spreading vaccine misinformation over the internet and social media to fuel parental anxiety and promote sales of their supplements and books,1 leading to increased use of nonmedical exemptions. Concerned policymakers have sought to stem the erosion of community immunity through parental education and increasing administrative barriers for exemptions. However, it is difficult to change behavior in people exposed to vaccine misinformation, as is indicated in vaccine hesitancy research.2 There is greater promise for restoring … Address correspondence to Richard J. Pan, MD, MPH, State Capitol, 1315 10th St, Room 5114, Sacramento, CA 95814. E-mail: senator.pan{at}senate.ca.gov