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Vaccines' Benefits Trump Concerns, Experts Say

04:26
A young boy reacts to receiving a prick from a vaccine. Children can receive up to 13 immunizations by age 2, and many parents worry about possible side effects. But experts say that vaccines are safer and cleaner than before. (Getty Images)
A young boy reacts to receiving a prick from a vaccine. Children can receive up to 13 immunizations by age 2, and many parents worry about possible side effects. But experts say that vaccines are safer and cleaner than before. (Getty Images)

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