1983年3月1日至19日义马市发生了一次急性腹泻暴发流行。发病1677人,其中半数以上为一家2、3、5、7人同时发病。我们对住院的121例进行了观察和记录。1、发病和流行情况:据统计,3月1日始至20日止,高峰在6至14日,共发病1366人,占总数的81.5%。据几个单位调查,发病率最高者40.57%,最低者4.56%。对附近非同源水人群调查:周围12个自然村发病率0.64%,多因外出饮食污染区水而致。 From March 1 to March 19, 1983, an epidemic of acute diarrhea occurred in Yima City. The incidence of 1677 people, of which more than half of a 2,3,5,7 people at the same time. We observed 121 cases of hospitalization and recorded. 1, the incidence and prevalence: According to statistics, from March 1 until the 20th only, the peak in the 6 to 14, a total of 1366 cases, accounting for 81.5% of the total. According to several units survey, the highest incidence of 40.57%, the lowest 4.56%. Survey of nearby non-homologous water populations: The incidence of around 12 villages was 0.64%, mostly due to outflow of dietary contaminated water.