Penicillin is an antibiotic that is produced by the Penicillium fungus. It was discovered in 1928 by Alexander Fleming. The antibiotic is used to treat a number of different infections caused by bacteria, including pneumonia, gonorrhea, and strep throat.

Penicillin is also used to prevent infections in people who are at high risk for them, such as people who are having surgery. In addition, penicillin can be used to treat some infections that have resisted treatment with other antibiotics.

There …