For those who grew up in the 1930s and 1940s, there was nothing unusual about finding yourself threatened by contagious disease. Mumps, measles, chicken pox, and German measles swept through entire schools and towns; I had all four. Polio took a heavy annual toll, leaving thousands of people (mostly children) paralyzed or dead. There were no vaccines. Growing up meant running an unavoidable gauntlet of infectious disease. Compare this to my generation—who benefit from a half dozen vaccines within weeks of birth—and it’s like we live in separate worlds. I can’t fathom what was normal two
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