Iron Lung Timeline (1927-2020)

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1927

Drinker & Shaw invent the iron lung

1928

First successful clinical use

1929

Drinker respirator published

1931

Emerson introduces improved design

1952

U.S. polio cases peak

1955

Salk polio vaccine announced

1961

Modified iron lung used in neonatal care

1979

No U.S. community polio cases

2020

Renewed interest during COVID-19

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