Didn’t see any info in the article about the number of afflicted, if any, who’ve been previously vaccinated.
Honestly, it was the first time I had heard of mumps breakthrough of those immunized/exposed.
Previous FReeper article of a week ago (11/11/16) :
http://www.freerepublic.com/focus/f-news/3493232/posts
The 31 students were swim team at SUNY New Paltz.
Also noted in the 11/11/16 article was notation of a major infection on Long Island , NY
Today,a confirmed infection on campus at SUNY Geneseo, and SUNY Oswego; students are required to be quarantined from campus for 26 days .