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1抗菌药物的现状抗菌药物主要包括抗生素和人工合成抗菌药两大类。最早发现的抗生素──青霉素至今仍是临床上抗感染的首选药物之一。喹诺酮类是近年来发展起来的一类合成抗菌药。抗菌药物广泛用于治疗各种感染性疾病，该类药物的开发和研制工作也越来越受到药品生产者的重视，
The status of an antimicrobial drugs Antibacterial drugs include antibiotics and synthetic antibacterial drugs in two categories. The earliest discovered antibiotic ─ ─ penicillin is still one of the drug of choice for clinical anti-infective. Quinolones are a kind of synthetic antibacterials developed in recent years. Antibacterial drugs are widely used in the treatment of various infectious diseases, the development and research and development of such drugs are also increasingly subject to the attention of drug manufacturers,