Polio was already naturally dying off, as a matter of fact after vaccinations started, it jumped back up, same as small pox.
Utter and complete nonsense.
Excuse my French...but horseshit.
Try living in the South in the summer of 1952.
I had two childhood friends affected. One in an Iron Lung and another with her leg braces and crutches. Many years later I saw her without her braces or crutches. Don't know if surgery or therapy did the deed.
I would appreciate it if you would cite your source for that information. I don’t believe it.
Perhaps you can provide a reference to the most recent smallpox outbreak.