Scottish scientist Sir Alexander Fleming isolates antibiotic substance penicillin from the fungus at St Mary's Hospital in London, United Kingdom. A petri dish with penicillin. Articles on bacteriology, immunology and chemotherapy are published. Pharmacologist Howard Walter Florey extracts penicillin at Oxford University. In June 1941, tiny flask of penicillin brought to the United States. Chemists work and develop penicillin in refined form. Penicillin Production Factory. Penicillin is built in many forms. Penicillin is made in huge fermentation tanks and passed through many machines for purifying and refining. Quantities of penicillin reduced in gallons to recover it. It is concentrated in the laboratory. Water contained penicillin, evaporated at laboratory. Penicillin transferred to sterilized vials and packed in boxes. Penicillin prepared for use.
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