在日本静冈县曾发生两起由致病性大肠杆菌O124:K72:H引起的集体食物中毒。第一起发生于1963年9月,31名山村居民因集体吃了一种豆沙(米团)子,而致17人发病(54.8%)。平均潜伏期为17小时,症状类似急性肠胃炎,其中有4名儿童因病情严重而死亡。第二起发生于1966年7月,在某小学内435名进膳者中先后在一周内发病244人(56.1%)。可疑食品为一种熟菜。部分病人具有菌痢样症状, In Shizuoka Prefecture, Japan, there have been two cases of collective food poisoning caused by pathogenic Escherichia coli O124: K72: H. The first occurred in September 1963, when 31 village residents ate a group of bean paste (rice dumplings) and caused 17 outbreaks (54.8%). The average incubation period was 17 hours and the symptoms were similar to those of acute gastroenteritis, in which 4 children died as a result of their serious condition. The second occurred in July 1966, with a cumulative incidence of 244 (56.1%) of the 435 in-primary students in a primary school within one week. Suspicious food is a kind of cooked food. Some patients have bacillary dysentery-like symptoms,