Life-saving inventions made since 1920

Vaccine
Antibiotic
Medication
Technology

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1921
1920
1920
1920
1920
1920
1920
1930
1930
1930
1940
1940
1940
1940
1940
1950
1950
1950
1950
1950
1950
1950
1960
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1960
1970
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1970
1980
1980
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1990
1990
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1990
1990
1990
1990
1990
1990
2000
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2000
2010
2010
2010
2010
2010
2010
2020
2020
2021