Ontario is considering a bill that would require parents who want an immunization exemption to sit through an “education session” on why vaccines are good and important for public health.

There are two things that non-profit group Safe Minds—committed to “ending the autism epidemic”—doesn’t understand: First, that there is absolutely no link between vaccines and autism. Second, how research works.

The latest figures: Between January 1 and August 29 of this year, nearly 600 confirmed measles cases were reported to the CDC's National Center for Immunization and Respiratory Diseases. The resurgence is the greatest the U.S. has seen since the disease was eliminated from the country in 2000.