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Alexander Fleming returned to his messy London lab to find a staphylococci cultu
Featured Event 1928 Event

September 28

Fleming Discovers Penicillin: Medicine Changed Forever

Alexander Fleming returned to his messy London lab to find a staphylococci culture wiped out by a stray Penicillium mold, sparking an accidental revolution in medicine. This discovery launched the era of antibiotics, turning once-fatal infections into treatable conditions and saving countless lives worldwide.

September 28, 1928

98 years ago

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