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First time noticed
Penicillin was noticed by Ernest Duchesne in France -
Period: to
Penicillin history
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Fleming rediscovered Penicillin
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Fleming named it
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Florey demonstrated it's abilities
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Florey and Norman Heatly went to the US with it
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Andrew J Moyer and Heatly produced more penicillin
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It was the most effective antibacterial agent
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Microbes start resisting penicillin
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Andrew was granted a patentfor mass production of penicillin
