青霉素是英国细菌学家弗莱明(1881～1955)发现的。弗莱明在第一次世界大战期间作过军医,他眼看许多伤员死于感染,死于可怕的败血症。在艾利希发明“六○六”治疗梅毒开创化学疗法新纪元的启发和鼓舞下,他潜心于探求能够杀灭细菌的物质。1922年,他从某种植物和动物分泌液中发现一种能杀灭细菌的溶菌 Penicillin was discovered by British bacteriologist Fleming (1881-1955). Fleming, who had been a military surgeon during World War I, saw many wounded people died of infection and died of terrible sepsis. Inspired and encouraged by Ehrlich’s invention of “Six Six” to treat syphilis and create a new era of chemotherapy, he devoted himself to exploring substances capable of killing bacteria. In 1922, he found a bacteriolytic bacterium that killed bacteria from some plant and animal exudates