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In 1868 Ernest Duchesne a French physician who noted that certain molds kill bacteria. What first intrigued him about bacteria was how Arab saddle boys at the army hospital kept their saddles in dark and damp rooms to encourage mold to grow on them because it facilitated their saddle sores to heal. Figuring there was something to the mold, he made a soution with containing it and injected it into disease-ridden guinea pigs. He discovered that they recovered completely. This was how history notes the first discovery of penicillin in the 1920 Alexandre Fleming accidentally makes penicillin mold it while working with bacteria that becomes contaminated with the same mold that later kills the bacteria

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13y ago

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