Slightly More Than Half of Americans Say Vaccines Don't Cause Autism: Poll

18% don't trust measles-mumps-rubella shot, and 30% are undecided, Harris Interactive/HealthDay survey finds

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"The Harris poll points out the urgent need for a renewed effort to conduct new vaccine safety studies that are methodologically sound and free from real or perceived conflicts of interest," Fisher added, "or a significant portion of the public will continue to question the conclusions."

According to the U.S. Centers for Disease Control and Prevention, an estimated one in 110 children in the United States has an autism spectrum disorder, part of a group of developmental disabilities that can cause significant social, communication and behavioral challenges.

The Harris Interactive/HealthDay poll was conducted online within the United States from Jan. 11-13, and included 2,026 adults over the age of 18. Figures for age, sex, race/ethnicity, education, region and household income were weighted where necessary to bring them into line with their actual proportions in the population.

More information

Read more about the poll methodology and findings at Harris Interactive.

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