Doc: Getting the facts on vaccines - The Detroit News
Doc: Getting the facts on vaccines The Detroit News
My friend believes that polio was on a downhill trend in the U.S. before vaccines for it became available.
Glimpse of the Past: Polio epidemic in 1940s-1950s affected Mankato residents - Mankato Free Press
Glimpse of the Past: Polio epidemic in 1940s-1950s affected Mankato residents Mankato Free Press
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