this post was submitted on 15 Jul 2024
31 points (94.3% liked)
The Simpsons
1509 readers
22 users here now
Everything related to The Simpsons!
Discussion
Related communities
founded 1 year ago
MODERATORS
you are viewing a single comment's thread
view the rest of the comments
view the rest of the comments
Currently, mmr is about 86% effective against mumps. It may have been less so in the 80s. Also, she may have only had one round of shots. Could be she was just unlucky, and her immune response wasn't strong enough. It's not unheard of.