1982年,人类第一次将大肠杆菌O157:H7确定为人类致病菌。自此以后,由O157:H7感染所引起的疾病在美、日、德、英等发达国家不断发生,造成了重大危害,引起了社会的极大震惊和恐慌。研究证明,O157:H7的感染主要是一种食源性疾病,可疑的食品主要有牛肉及其制品、牛奶、蔬菜、水果等。本文重点就O157:H7与食品安全问题作一综述。 In 1982, for the first time, human beings identified E. coli O157: H7 as a human pathogen. Since then, the diseases caused by the O157: H7 infection have occurred continuously in the developed countries such as the United States, Japan, Germany and Britain, causing great harm and arousing great social horror and panic. Studies have shown that O157: H7 infection is mainly a foodborne disease, suspicious foods are mainly beef and its products, milk, vegetables, fruits and so on. This article focuses on O157: H7 and food safety issues are reviewed.