肠致病性大肠杆菌(EnteropathogenicE.coli,EPEC)是一种以粪-口途径传播的,能导致人类多系统感染的肠道致病菌,尤其是引起婴幼儿的腹泻,成人的肠道及泌尿系统感染。自20世纪70年代以来,EPEC亦成为医院获得性感染中一种活跃的病原微生物。细菌侵入肠道后,主要在十二指肠、空肠和回肠上段大量繁殖。它的感染由对靶细胞的 Enteropathogenic E. coli (EPEC) is a gut-oral route of enteropathogenic bacteria that causes multiple infections in humans, especially in infants and young children, in the intestine and Urinary tract infections. Since the 1970s, EPEC has also become an active pathogenic microorganism in hospital-acquired infections. Bacteria invade the intestine, mainly in the duodenum, jejunum and upper ileum in large numbers. It is infected by the target cells