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Children's Vaccines Health Center

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Child Vaccine Exemptions: States Getting Stricter?

Study finds bills to expand parental opt-outs are failing, while others to limit them have passed

WebMD News from HealthDay

By Amy Norton

HealthDay Reporter

TUESDAY, Feb. 11, 2014 (HealthDay News) -- Legislative skirmishes over childhood vaccines are still happening in many states, but there are signs of a shift in the United States toward limiting "personal belief" exemptions, a new study finds.

All states require children to receive routine vaccines against diseases such as polio, measles, mumps and whooping cough before starting day care or public school. But most states allow parents to forgo vaccines for religious reasons, and 20 states permit "personal belief" exemptions for parents with philosophical objections.

In the new study, researchers found that although lawmakers in other states have tried to introduce personal belief exemptions in recent years, none has been successful.

On the other hand, three states that allow the exemptions -- California, Vermont and Washington -- have recently passed laws to curb them. Basically, the states have increased the red tape parents face when applying for an opt-out on philosophical grounds.

"I think the bottom line is that while the advocacy efforts of pro-vaccine stakeholders have been successful in some states, there are still substantial efforts to weaken school immunization mandates," said study author Saad Omer. "Therefore, those who believe in the value of vaccines need to continue their advocacy efforts in their respective states."

Omer, an associate professor of global health at Emory University, in Atlanta, and colleagues reported their findings in the Feb. 12 issue of the Journal of the American Medical Association.

An expert not involved in the study called the results "good news."

"I think what you're seeing now is the pendulum swinging in the other direction," said Dr. Paul Offit, chief of infectious diseases at Children's Hospital of Philadelphia.

Offit said personal belief exemptions got their start in the 1970s and 1980s as a backlash against childhood vaccination mandates.

In recent years, a growing number of parents have been using the exemptions to shun vaccines over safety concerns. In a 2006 study, Omer's team found that the number of children in states with the opt-out who went unvaccinated for non-medical reasons more than doubled between 1991 and 2004 -- from about 1 percent to 2.5 percent.

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