Do Your Kids Need a Mumps Booster Shot? By Vincent Iannelli, MD / February 2, 2018 / boosters, MMR, mumps, mumps outbreaks, pre-vaccine era, waning immunity A third dose of MMR is recommended for some people at high risk to get mumps in an outbreak situation. Share this:TweetPrintEmailShare on TumblrWhatsAppLike this:Like Loading...