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re: Just how great was the Polio Vaccine?

Posted on 12/8/21 at 10:30 am to
Posted by EA6B
TX
Member since Dec 2012
14754 posts
Posted on 12/8/21 at 10:30 am to
While the polio vaccine contained a dead virus, there were problems in the late 1950s with some batches. The chemical used to kill the virus n the vaccine was not totally effective, and allowed some that took the vaccine to contract polio from it.
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