As Seen on TV: MMR Vaccine and Autism

The results of a new study, reported in the Public Library of Science today, provided more evidence that the MMR vaccine for measles, mumps and rubella, given to tens of millions of children each year, is not linked to autism.

Researchers at Columbia University say this study provides strong evidence that the vaccine should not be linked to autism.

What is the MMR vaccine? Medline Plus, a service of the National Institutes of Health, explains what the measles vaccine is and outlines the recommended schedule for childhood immunization. It also outlines the benefits and risks associated with the MMR vaccine.

The Centers for Disease Control and Prevention offers a Parent's Guide to Childhood Immunization, which highlights the mumps and precautions for parents.

The CDC outlines previous studies that have raised the question of the connection between the MMR vaccine and autism.

Check out the Mumps -- Vaccine Q&A for Parents and Healthcare Professionals, from the CDC. offers advice from doctors and explains the arguments against the MMR vaccine.

For more information on autism, visit the CDC's Autism Information Center, which explains the theories linking autism and vaccines.