The failure of operative repair in 5 cases were largely due to complicated venereal disease with common infection .
5例手术修补失败的主要原因是性病合并普通感染。
85 % of students showed a willingness to use condom to avoid venereal disease / AIDS infection ;
85%的学生表示愿意为了避免感染性病/艾滋病而使用安全套；
venereal infectionvenereal infectionvenereal infection