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2010年10月20日,我县某小学30名学生先后出现了头痛、发热、恶心、呕吐、腹痛、腹泻等轻重不同的症状,经现场流行病学调查及实验室检测,确定这是一起由宋内氏志贺杆菌污染食物引起的食物中毒。1流行病学调查1.1基本情况该校是一所全日制小学,有教学楼、食堂、宿舍各1栋,厕所1所,厕所与食堂相距300 m,在校学生658名,
On October 20, 2010, a group of 30 primary school students in our county had symptoms of headache, fever, nausea, vomiting, abdominal pain and diarrhea. After the field epidemiological investigation and laboratory tests, it was confirmed that this was a Shigella sonnei contaminated food-induced food poisoning. 1 Epidemiological survey 1.1 Basic information The school is a full-time primary school, teaching building, canteen, dormitory each one, a toilet, toilets and canteens 300 m, 658 students in school,