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Nitrous oxide (Laughing gas) 1844 by Horace Wells A Dentist, used for extracting teeth.
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First vaccine developed for cholera
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1881 First vaccine developed for anthrax by Louis Pasteur
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1882 First vaccine for developed for rabies by Louis Pasteur
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Waksman (1888–1973) discovered a fungus that produced a powerful antibiotic substance.
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1890 Emil von Behring discovers antitoxins and develops tetanus and diphtheria vaccines
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1897 First vaccine developed for Bubonic plague
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1899 Felix Hoffman develops aspirin
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1922 Insulin first used to treat diabetes.
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1926 First vaccine developed for whooping cough
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1927First vaccine developed for tuberculosis
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1928 Sir Alexander Fleming discovers penicillin
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1935
First vaccine developed for yellow fever -
1937 First vaccine developed for typhus
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chemotherapy began in the 1940s with the first use of nitrogen mustards and folic acid antagonist drugs.
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Streptomycin 1943 used for TB
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1945 First vaccine developed for influenza
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Polio vaccine first 1952 by Jonas Salk
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1964 First vaccine developed for measles.
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1967 First vaccine developed for mumps
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1970 First vaccine developed for rubella
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1974 First vaccine developed for chicken pox
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smallpox vaccine 1984 by edward jennar