what is Penicillin and who discover this? [2]
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Answer:
In 1928, at St. Mary's Hospital, London, Alexander Fleming discovered penicillin. This discovery led to the introduction of antibiotics that greatly reduced the number of deaths from infection.
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Penicillin (PCN or pen) is a group of antibiotics, derived originally from common moulds known as Penicillium moulds; which includes penicillin G (intravenous use), penicillin V (use by mouth), procaine penicillin, and benzathine penicillin (intramuscular use). Penicillin antibiotics were among the first medications to be effective against many bacterial infections caused by staphylococci and streptococci. They are still widely used today, though many types of bacteria have developed resistance following extensive use.
About 10% of people report that they are allergic to penicillin; however, up to 90% of this group may not actually be allergic.[2] Serious allergies only occur in about 0.03%.[2] Those who are allergic to penicillin are most often given cephalosporin C because of its functional groups.[3] All penicillins are β-lactam antibiotics, which are some of the most powerful and successful achievements in modern science.[3]
Penicillin was discovered in 1928 by Scottish scientist Alexander Fleming