This is interesting, the MMR vaccine has been mandatory for a long time, but that would explain why younger people weren't getting severe symptoms, I believe it's been a requirement for a school aged child to have that to attend public school in north America since at least the 80's.
This is interesting, the MMR vaccine has been mandatory for a long time, but that would explain why younger people weren't getting severe symptoms, I believe it's been a requirement for a school aged child to have that to attend public school in north America since at least the 80's.
You are correct. All four of my children had to get it. The first one in 1984.