求翻译：4月9日13时左右，云南省昭通市某小学部分学生食用由学校食堂统一供给的营养餐后出现腹泻、腹痛、发高烧等症状。据镇雄县政府通报，截至4月12日17时，该校先后有368名学生入院诊治，已累计出院返校上课342人，留院观察26人。是什么意思？

April 13 at about, Zhaotong a primary school some students eating school canteen uniform supply nutrition postprandial diarrhea, abdominal pain, high fever and other symptoms. According to the informed Shigeo County Government, as of April 12, 17, the school has 368 students hospitalized, has accumu

On 9 April, 13, left and right, and Shaoyang city Yunnan province a primary school student from a school canteen food supply of a unification occurs after the feeding, diarrhea, abdominal pain, fever and other symptoms. According to the county government, town-hung at 4, 12, 17, the school has 368 s

On April 9 about 13 o'clock, the Yunnan Province Chaotung city some elementary school partial student edible has the diarrhea, the abdominal pain after the school cafeteria unification supplies nutrition meal, gets a high fever and so on the symptoms.According to the Zhenxiong county government noti

Around April 9, in Yunnan province, zhaotong city students in a primary school for consumption by a unified supply of nutrition in school canteens after dinner, developed diarrhea, abdominal pain, fever and other symptoms. Zhenxiong County Government, as of April 12, the school has had 368 students

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