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青霉素的发现与应用使抗细菌药物的研究取得了重大突破,拯救了千百万患者,推动了抗生素事业的发展。新的β-内酰胺类抗生素也不断被发现:1954年发现头孢菌素,
The discovery and application of penicillin made breakthroughs in the research of antibacterial drugs, saved millions of patients and promoted the development of antibiotics. New β-lactam antibiotics are also constantly being discovered: cephalosporins were found in 1954,