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Anti-Vaccine Parents Seek Like-Minded Opinions

Study suggests friends, family may be important sources of advice
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WebMD News from HealthDay

By Amy Norton

HealthDay Reporter

MONDAY, April 15 (HealthDay News) -- Friends and family may be key in parents' decisions on whether to vaccinate their young children, a small study suggests.

The study, of about 200 parents, found that those who had opted not to follow the standard vaccine schedule often sought advice from anti-vaccine friends and family.

Experts said it's not certain that the advice actually steered parents in an anti-vaccine direction: Parents who were already prone to shunning vaccines may have turned to like-minded people for reinforcement.

"It's the chicken-and-egg question," said researcher Emily Brunson, an assistant professor of anthropology at Texas State University, in San Marcos. "The answer is, we don't know which came first."

To be more sure, Brunson said, parents would have to be followed over time, to see whether undecided parents actually base vaccine decisions on advice from other people.

But Brunson said she thinks family, friends and others in parents' "social networks" really are an important influence.

Dr. Douglas Opel, of Seattle Children's Research Institute and the University of Washington, agreed.

"It is unclear how these groups influence parents. Do they simply reinforce the vaccine decisions parents would have made otherwise, or do they actually function as a way that provokes a parent to consider other ideas?" said Opel, who wrote an editorial published with the study, which appears online April 15 and in the May print issue of the journal Pediatrics

Opel said his hunch is that family and friends reinforce parents' existing views. But even if that's true, they are still a big influence by bolstering parents' beliefs.

Experts recommend that babies and young children routinely receive vaccinations against a host of common (or once common) infectious diseases, such as measles, mumps, whooping cough, chickenpox and hepatitis.

But some parents balk at those recommendations, largely because of a purported link between vaccines and autism. More than a decade's worth of studies have failed to confirm that link exists, but anxiety remains: A recent study of U.S. parents found that about one-third thought children receive too many vaccinations in their first two years, and they thought the shots could contribute to autism.

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