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Study Says MMR Vaccine Does Not Cause Autism

The measles-mumps-rubella (MMR) vaccine does not raise a child's risk for autism, according to a major new study published in the journal Public Library of Science.

Researchers from Columbia School of Public Health, the United States Centers for Disease Control and Prevention, Massachusetts General Hospital, and Trinity College Dublin investigated the implications of a 1998 British study. That study found that children who had measles RNA in their gastro-intestinal tracts (GIs) were more likely to be autistic and to have GI problems.

The new study compared tissue biopsies from the GI tracts of children with autism and GI problems with those of children who had no developmental delays but who were undergoing biopsies for GI problems.

One of every 25 in the autistic group and one in 13 in the control group showed slight levels of measles RNA.

"This was a rigorous analysis," said Dr. Ian Lipkin, director of the School of Public Health Center for Infection and Immunity at Columbia University College of Physicians and Surgeons. "We found no evidence that gastrointestinal pathology consistently preceded autism, and we found that the MMR did not consistently precede either autism or GI pathology."

Rick Rollens, a father of an autistic child, said that the study does not exonerate the role of all vaccines. Mr. Rollens is a founder of the M.I.N.D. (Medical Investigation of Neurodevelopmental Disorders) Institute at the University of California.

Labels: vaccines, autism

Posted By: Aspen Education Group