据悉,7月中、下旬,日本发生一种流行性腹痛、腹泻病,经证实为O_(157)型大肠杆菌所为。至8月初,全国已发现9000多例病人,7人死亡,其流行趋势尚未得到控制。人们常听说的大肠肝菌可分为致病性和非致病性两大类,致病性大肠杆菌主要引起腹泻,故又称致腹泻性大肠杆菌。世界各地广泛存在本菌感染,在婴幼儿腹泻中检出率可达70％,在成人中也可呈散发或爆发流行,表现为旅游者腹泻或食物中毒。 It is reported that mid-July, late in Japan, a epidemic of abdominal pain, diarrhea, confirmed as O_ (157) type of Escherichia coli. By the beginning of August, more than 9,000 patients and 7 people were found dead in the country. The epidemic trend has not yet been controlled. People often hear of E. coli can be divided into pathogenic and non-pathogenic two categories, mainly caused by pathogenic E. coli diarrhea, it is also known as diarrhea caused by E. coli. The infection is widespread in many parts of the world. The detection rate is up to 70% in diarrhea of ​​infants and young children. It can also be distributed or outbreak in adults, which is manifested as tourists’ diarrhea or food poisoning.