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1987年5月13日～23日10天中,我院学生大食堂千余名就餐学生中暴发菌痢162例,经检验属福氏志贺氏y变型菌群感染,发病率为16.2％,汉族学生发病率(24.8％)明显高于朝鲜族学生(7.6％)(u=7.38,P<0.001)。本次菌痢发病急,临床症状大多是恶心、腹痛、发烧、先腹泻后里急后重,粘液血便。均为轻型及普通型,两型分别约占半数(83例与79例)。从发病时间看,5月13日、14日开始
From May 13 to May 23, 1987, 162 cases of outbreak of bacillary dysentery were found in more than 1,000 students in the canteen of our college. The test showed that the bacterium was infected with Shigella flexneri, with a morbidity of 16.2% The incidence of Han students (24.8%) was significantly higher than that of Korean students (7.6%) (u = 7.38, P <0.001). The incidence of dysentery acute, clinical symptoms are mostly nausea, abdominal pain, fever, diarrhea, tenesmus, mucus bloody stools. Both were light and normal type, accounting for about half of the two types (83 cases and 79 cases). From the time of onset, May 13, 14 start