Polio vaccine approved 65 years ago, still one of the greatest medical achievements - KETK | FOX51 | EastTexasMatters.com
Polio vaccine approved 65 years ago, still one of the greatest medical achievements KETK | FOX51 | EastTexasMatters.com
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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