![]() It was dotted with colonies, save for one area where a blob of mold was growing. He noticed something unusual on one dish. Returning from holiday on September 3, 1928, Fleming began to sort through petri dishes containing colonies of Staphylococcus, bacteria that cause boils, sore throats and abscesses. But it was not until 1928 that penicillin, the first true antibiotic, was discovered by Alexander Fleming, Professor of Bacteriology at St. This phenomenon has long been known it may explain why the ancient Egyptians had the practice of applying a poultice of moldy bread to infected wounds. ![]() Hospitals were full of people with blood poisoning contracted from a cut or a scratch, and doctors could do little for them but wait and hope.Īntibiotics are compounds produced by bacteria and fungi which are capable of killing, or inhibiting, competing microbial species. Before its introduction there was no effective treatment for infections such as pneumonia, gonorrhea or rheumatic fever. Penicillin heralded the dawn of the antibiotic age.
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