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1999年3月3日～4月20日,海阳市盘石店镇某中学发生一起疥疮暴发.该中学共有4个年级,在校学生1149人,共发病 53人,罹患率为4.61%(53/1149).各年级均有发病,六年级罹患率4.38%(13/297),七年级5.48%(17/310),八年级4.25%(12/282),九年级 4.23%(11/260).首例病人来自河南农村,系借读男生.1999年3月3日发病,3月份发病22例,4月份发病31例,最后一例是4月20日.病人全部为男生,年龄最小14岁,最大18岁,平均16.5岁,均为农村学生.患者发病初期均感病变部位皮肤癌痒,随即出现红色点状丘疹,1～2日后转为水泡,剧痒,尤其以夜间为甚,病变位于手指间22例,脚趾间10例.会阴部9例,臀部9例,腋窝3例.
From March 3 to April 20, 1999, an outbreak of scabies occurred in a high school in Panshidian Town, Haiyang City, with a total of 4 grades and 1,149 students, with a total of 53 people and an attack rate of 4.61% (53 / 1149) .In all grades, the attack rate was 4.38% (13/297) in the sixth grade, 5.48% (17/310) in the seventh grade, 4.25% (12/282) in the eighth grade, and 4.23% ) The first patient from rural Henan, Department of borrowed boys .3 March 1999 onset, 22 cases of onset in March, 31 cases of onset in April, the last case is April 20. The patients were all boys, the youngest 14 years old , A maximum of 18 years old, average 16.5 years old, are rural students.The early onset of patients are susceptible to skin lesions itchy, then red dot papules, 1 to 2 days after the blisters, itching, especially at night is even more, lesions Located in the fingers between the 22 cases, 10 cases between the toes.Pinaculum in 9 cases, 9 cases of the buttocks, axillary in 3 cases.