1999年 5月 12日～ 15日 ,江西省铜鼓县三都中心小学76名学生发生恶心、腹痛、腹泻、头晕、头痛、乏力、发热、咳嗽等症状。经确认是一起胃肠型流行性感冒爆发 ,现将调查结果报道如下。1　流行病学调查三都中心小学共有 371名学生 ,均为走读生 ,发病 76人 ,罹患率为 2 0 .49%。 From May 12 to May 15, 1999, 76 students from Sandu Center Primary School, Tonggu County, Jiangxi Province developed nausea, abdominal pain, diarrhea, dizziness, headache, fatigue, fever and cough. Confirmed to be an outbreak of gastrointestinal influenza, the findings are reported below. Epidemiological survey Sandu Central Primary School a total of 371 students, are students, the incidence of 76 people, the attack rate of 20.49%.