Penicillin was discovered in 1928 by Scottish scientist Alexander Fleming. People began using it to treat infections in 1942. There are several enhanced penicillin families which are effective against additional bacteria; these include the antistaphylococcal penicillins, aminopenicillins and the antipseudomonal penicillins. They are derived from "Penicillium" fungi. The term "penicillin" is often used generically to refer to benzylpenicillin (penicillin G, the original penicillin found in 1928), procaine benzylpenicillin (procaine penicillin), benzathine benzylpenicillin (benzathine penicillin), and phenoxymethylpenicillin (penicillin V). Procaine penicillin and benzathine penicillin have the same antibacterial activity as benzylpenicillin but act for a longer period of time. Phenoxymethylpenicillin is less
Valentine, Texas Valentine, Texas Valentine is a town in Jeff Davis County, Texas, United States. The population was 134 at the 2010 census, down from 187 at the 2000 census. It is the only incorporated municipality in Jeff Davis County. Its name refers to the date of its founding in 1882 by a Southern Pacific Railroad construction crew: February 14. It is one of several cities named Valentine in the United States where the U.S. Postal Service cancels envelopes for Valentine's Day. The noted art installation Prada Marfa (2005) is located northwest of Valentine on U.S. 90. The John Wayne film "Cahill