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1987年7～9月,印度克什米尔地区,特别是斯利那加市及其周围发生了一起胃肠病大流行。由于以往某些季节胃肠道症状在贫困城区比较常见,故暴发开始时未予重视。直至受累人数达到数千例,且各社会经济阶层均有病例发生时,始于当年11月初进行了全面的流行病学调查。此次调查访问了150个家庭,其中有39个家庭在1987年6～9月间至少发生了一例明显的胃肠病。其特点为吃过早餐或晚餐15分钟至1小时内出现轻、中度腹痛或腹胀。所吃食物系当地精面粉制作的面包或从当地市场购买面粉后在家中制作的未发酵的面包。在所调查的97
From July to September 1987, a gastroenteritis pandemic occurred in and around Kashmir, India, particularly in and around Srinagar. As some of the previous season gastrointestinal symptoms are more common in poor urban areas, so the beginning of the outbreak did not pay attention. Until the number of affected people reaches several thousands, and all cases of social economic strata have occurred, a comprehensive epidemiological investigation was started from early November of that year. The survey interviewed 150 families. Among them, 39 families experienced at least one obvious gastrointestinal disease from June to September 1987. It is characterized by light, moderate abdominal pain or abdominal distention within 15 minutes to 1 hour of eaten breakfast or dinner. The food to be eaten is either bread made from local flour or unfermented bread made at home after the flour is purchased from the local market. In the survey of 97