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1998年9月20日至10月21日,菏泽市彭拐小学发生一起疑似流行性感冒疫情,有关情况如下.1 学校基本情况菏泽市彭拐小学位于市区南12km,交通方便.学校共有前后两排平房,设学前班、一至五年级共6个班.校舍后窗小,已由于位置偏高不常打开,通风条件不好,全校有学生272人,教师12人,学生全部来自本村和北邻彭堂两个行政村.2 疫情经过首例病人彭继国,是本校三年级学生,1998年9月20日发病,发病后边治疗边上学.其所在班级22日又有2人发病,23日三年级发病3人,一年级发病2人;随后其他班级相继有病例发生.至10月21日最后1例病人发病,疫情持续31d,前后发生病人157例,发病率55.28%(157/284).
From September 20 to October 21, 1998, a suspected influenza epidemic occurred at Pengkui Primary School in Heze City. The relevant information is as follows: 1 Basic Information of the School Pengcui Primary School in Heze City is located 12km south of the urban area with convenient transportation. Two rows of bungalows, preschool, grade 1 to grade 5. There are 6 classes in the school rear window, which have not been opened frequently due to the high position. There are 272 students and 12 teachers in the school. All students come from this village and from the north Adjacent Peng Church two administrative villages .2 epidemic after the first patient Peng Jiguo, is the third-year students in the school, September 20, 1998 onset, the incidence of side treatment while attending school where its class 22 and 2 were on the 23rd, Grade 3, grade 2 in the first grade, followed by other classes in succession.Finally, the last one patient developed on October 21, the epidemic lasted for 31 days and 157 cases occurred before and after the onset with the incidence of 55.28% (157/284).