More school kids get non-medical exemptions from vaccines

The
percentage of school children obtaining exemptions from required
vaccinations for nonmedical reasons is increasing, a new report says.

In 2011, just over 2 percent of school children were exempt from getting their vaccines for nonmedical reasons, up from about 1 percent in 2006, the report found.

"Our
results show that nonmedical exemptions have continued to increase, and
the rate of increase has accelerated," in recent years, the researchers
at Emory University wrote in a letter published today (Sept. 20) in the
New England Journal of Medicine.

All U.S. states allow children to be exempt from vaccination requirements for
medical reasons — some children are allergic to vaccines, others have
conditions that severely compromise their immune systems, and could make
vaccination dangerous to a child's health.

In
addition, 48 states allow exemptions for nonmedical reasons
(Mississippi and West Virginia do not). Nonmedical exemptions can be
granted for religious reasons or philosophical reasons, though fewer
states allow philosophical exemptions than religious ones.

For
their report, researchers used data on vaccine exemptions from the
Centers for Disease Control and Prevention for school years 2005–2006
through 2010–2011.

They found that the rates of nonmedical exemptions were
2.5 times higher in states that allowed philosophical exemptions,
compared with states that allowed only religious exemptions.

However, the rate of exemptions was rising faster in states that allowed only religious exemptions, the report said.

The
researchers also looked at state exemption rates in terms of how
difficult exemptions are for parents to get — some states use a
standardized form to request exemptions and make this form available at
schools, others require parents to go though the state health
department, or require a specifically worded letter or notarization.

Over
the study period, the exemption rates were higher in states with "easy"
exemption policies, compared with states with "difficult" policies. In
2011, the average exemption rate in states with easy policies was 3.3.
percent, while it was 1.3 percent in states with difficult policies.

"In
an earlier analysis of data from 1991 through 2004, we found an
increase in exemption rates only in states with philosophical exemptions
and in states with easy exemption procedures," the researchers said.

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