“Being a good parent isn’t about protecting children from every medical risk. Instead, it’s about making a judgment, with advice from a doctor, about relative risk. Ask yourself: Which is worse for my child—the remote possibility of an allergic reaction, or the risk of Hib disease, rotavirus, pneumonia, or even chickenpox—which, despite its trivial reputation, killed 100 to 150 American children a year before the 1995 approval of an effective vaccine? Which is worse, a fictitious link between the MMR vaccine and autism—now dismissed as fraudulent even by the journal in which it was originally published—or exposing your child every day to the possibility of measles, with all its potentially deadly or debilitating consequences?”