Young Adults Most Worried About Vaccines, Poll Finds

Some 41 percent of people younger than 30 favor allowing parents to not vaccinate their kids.

Younger adults are more likely than older Americans to harbor doubts about getting their vaccinations, new Pew Research Center survey data reveals. Meanwhile, a U.S. measles outbreak this winter has revved up worries that not enough young parents are fully vaccinating today's children.

Millennials generally credit science more strongly than older folks do, but the results show that on vaccines they are more distrustful. Some 41 percent of adults under age 30 favor allowing parents to "decide NOT to vaccinate their children." The older people were, the less inclined they were to regard vaccination as a parental choice. Among adults 65 and older, only 20 percent of those responding favored allowing parents to decide.

The generation gap intrigues public opinion experts,

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