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While working at st mary's hospital in london in 1928, scottish physician alexander fleming was the first to show experimentally that a penicillium mould secretes an antibacterial substance, which he named penicillin. In 1928 alexander fleming discovered penicillin, made from the penicillium notatum mold, but he did not receive the nobel prize in physiology or medicine for his discovery until 1945. Antibiotics came into worldwide prominence with the introduction of penicillin in 1941

Since then they have revolutionized the treatment of bacterial infections in humans and other animals. Alexander fleming's accidental breakthrough created world's first antibiotic and changed modern medicine forever. Mary's hospital, london, alexander fleming discovered penicillin

This discovery led to the introduction of antibiotics that greatly reduced the number of deaths from infection.

Penicillin, the world’s first true antibiotic, was discovered in 1928 by scottish bacteriologist alexander fleming at st The initial discovery happened after he noticed that a mold called penicillium notatum prevented the bacteria around it from growing on a culture plate. Penicillin was discovered in september 1928 by alexander fleming, a professor of bacteriology, however, it was only introduced on a large scale during the second world war. On september 28, 1928, alexander fleming discovered penicillin in london, launching the antibiotic revolution and transforming modern medicine.

Looking back, september 28, 1928 might have been one of the most important dates in the history of medicine On this day, the scottish doctor alexander fleming observed that a mould can kill bacteria The method of action of penicillin was discovered. Discovered in 1928 by alexander fleming, penicillin became the first true antibiotic in the field of medicine

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