If you’re in your 50s or younger, then you have grown up in the “era of mass vaccines.” Since the 1950s, the number of recommended and required vaccine shots has gone up by close to 414%. Now there are dozens of shots per year on the CDC (Centers for Disease Control) vaccine schedule – not just for children but for adults as well.
But how did the current CDC vaccine schedule come into existence in the first place? Here is a basic rundown of how U.S. vaccine policy has developed over the past 60 years.
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