Third shot's the charm?

A study of a 2006 mumps outbreak questions whether two vaccines are enough to prevent the disease
Friday, April 18, 2008 | 2:00 p.m. CDT; updated 12:44 p.m. CDT, Tuesday, July 22, 2008

Most of the college students who got the mumps in a big outbreak in 2006 had received the recommended two vaccine shots, according to a study that raises questions about whether a new vaccine or another booster shot is needed.

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