ath cohen vaccine study_00004214.jpg
ath cohen vaccine study_00004214.jpg

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    Review: Childhood vaccines are safe

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Review: Childhood vaccines are safe

A review of 67 studies found there is no link between childhood vaccines and autism. CNN's Elizabeth Cohen reports.

Review: Childhood vaccines are safe

A review of 67 studies found there is no link between childhood vaccines and autism. CNN's Elizabeth Cohen reports.