I remember having the measles, mumps and chicken pox. Still have a little pox scar on the side of my nose. To us, that was just part of growing up, cause everyone had them. I know that an unfortunate few have longterm disabilities, but it must have been pretty rare.
In the case of Measles and Mumps it was not all that rare, there just wasn't a vaccine for measles until 1963. Chicken pox is less likely to have major complications but is more bothersome. Measles is extremely contagious. More on the order of Smallpox in terms of contagion.
