Mumps shots didn't fully protect in 2006
(AP)
AP - 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. The outbreak was the biggest in the U.S. since shortly before states began requiring a second shot for youngsters in 1990.
http://us.rd.yahoo.com/dailynews/rss/health/*http://news.yahoo.com/s/ap/20080410/ap_on_he_me/mumps_vaccine