There are many types of antibiotics—antibacterials, antivirals, antifungals, and antiparasitics. Some drugs are effective against many organisms; these are called broad-spectrum antibiotics. Others are effective against just a few organisms and are called narrowspectrum antibiotics. The most commonly used antibiotics are antibacterials. Your child may have received ampicillin for an ear infection or penicillin for a strep throat.
The most commonly used antibiotics are antibacterials. Classifications Classics Microbiology. At this stage it looked as if its main application would be in isolating penicillin-insensitive bacteria from penicillin-sensitive bacteria in a mixed culture. The popular story [25] of Winston Churchill’s father paying for Fleming’s education after Fleming’s father saved young Winston from death is false. By the end of the war, American pharmaceutical companies were producing billion units a month.
The town and its nearby villages were surrounded by a rich black soil that supported abundant agricultural life. Although Waksman did not do much farming as a child, the chemistry of the fertile soil incited a curiosity in him that would eventually influence the direction of his future endeavors. In , after completing his matriculation diploma, Waksman followed the example of several relatives and migrated to the United States. He worked for a few years on a family farm in New Jersey and then enrolled in Rutgers College. There he studied bacteria in culture samples from successive soil layers, which resulted in his introduction to the actinomycetes.