In the 70’s, totally. Because it’s an illness that’s much worse if you get it when you’re older. Somehow my brother managed to avoid it until he was 15 and it was very unpleasant. And apparently I never had it, and I can think of at least 4 times I was exposed - a birthday party (where I slept over in the infected kid’s room),my younger brother’s bout as a teen, and two full classes of preschool kids I was teaching, who came down with it in the early 90’s before the vaccine was common.
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