Preventing polio: A grateful nation honors Dr. Jonas Salk

Preventing polio: A grateful nation honors Dr. Jonas Salk

For many children in the 1940s and 1950s, the polio disease was an ever-present fear. Prior to the 1950s, the main option for treatment was an iron lung, a machine that used negative air pressure to┬ámimic natural breathing. The iron lung compensated for paralyzed respiratory muscles damaged by the poliovirus. President Franklin Delano Roosevelt, who …

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