作者于1991年11月下旬，对含山中学进行了疥疮流行病学调查分析。含山中学是一所地区级重点中学，共有学生1500名（其中高中学生1079名），学生大部分来自农村，这些学生有的住校，有的合租民房。学校没有校医，卫生保健工作无专人负责。以高中学生为对象，首先出直传栏和办讲 The author in late November 1991, Hanshan middle school conducted a scabies epidemiological investigation. Hanshan Middle School is a district-level key middle school with a total of 1,500 students (including 1079 high school students). Most of the students come from rural areas. Some of these students live in schools and some share rented houses. There is no school medical school, health care work without someone responsible. High school students as the object, the first out of the direct mail and do speak