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3 days ago · The history of penicillin follows observations and discoveries of evidence of antibiotic activity of the mould Penicillium that led to the development of penicillins that became the first widely used antibiotics. Following the production of a relatively pure compound in 1942, penicillin was the first naturally-derived antibiotic.
6 days ago · The results of fermentation research on corn steep liquor at the NRRL allowed the United States to produce 2.3 million doses in time for the invasion of Normandy in the spring of 1944. After a worldwide search in 1943, a mouldy cantaloupe in a Peoria, Illinois market was found to contain the best strain of mould for production using the corn ...
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Apr 29, 2024 · This organism, however, turned out to be highly sensitive to streptomycin, an antibiotic that was isolated from Streptomyces griseus in 1943. As well as being dramatically effective against tuberculosis, streptomycin demonstrated activity against many other kinds of bacteria, including the typhoid fever bacillus.
- The Editors of Encyclopaedia Britannica
Apr 24, 2024 · The History of Vaccines. More than two centuries ago, on May 14, 1796, the English doctor Edward Jenner carried out what was later proven to have been the first modern-day vaccination, when he ...
2 days ago · In 1867, the United States significantly expanded its territory by acquiring Alaska from Russia at a cost of roughly 2 cents per acre, totaling $7.2 million.
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May 1, 2024 · Streptomycin injection is used to treat moderate to severe bacterial infections in many different parts of the body. Streptomycin belongs to the class of medicines known as aminoglycoside antibiotics. It works by killing bacteria or preventing their growth. However, this medicine will not work for colds, flu, or other virus infections.
Apr 24, 2024 · Historically, streptomycin (15 mg/kg, up to 1 g intramuscularly every 12 h) has been the drug of choice ; however, in the United States, supplies of streptomycin are scarce. An in vitro comparison [ 38 ] and a murine model [ 39 ] demonstrated that gentamicin (5 mg/kg intravenously or intramuscularly once daily) is comparable to or superior than ...
