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Among vaccines delayed until a child grows older, the measles-mumps-rubella (MMR) vaccine topped the list.
Among vaccines delayed until a child grows older, the measles-mumps-rubella (MMR) vaccine topped the list.

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    Vaccine debate becomes 2016 issue

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Vaccine debate becomes 2016 issue

John King, Julie Pace and Ron Fournier discuss comments by the 2016 presidential candidates who are weighing on on the vaccination debate.

Vaccine debate becomes 2016 issue

John King, Julie Pace and Ron Fournier discuss comments by the 2016 presidential candidates who are weighing on on the vaccination debate.