Parent Fears Keep Children from Vaccines

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A child is given a vaccine.

More than 2 million children each year go without vaccines, leaving them vulnerable to diseases like measles, whooping cough, and hepatitis B. Corbis hide caption

itoggle caption Corbis

About 20 percent of U.S. preschoolers — more than 2 million children — aren't getting recommended vaccinations. New research suggests the toughest obstacle may be parents who believe vaccines are more dangerous than the diseases they prevent. NPR's Jon Hamilton reports.



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