１９８８～１９９１年加格达奇区儿童少年传染病流行情况分析黑龙江省大兴安岭地区卫生防疫站（１６５０００）宋江华我们于１９８９～１９９１对学龄前儿童和在校中小学生８种传染病流行状况进行了调查，现报告如下。结果：３年来我区儿童少年传染病的发病率有逐年下降趋... 1988-1991 Jiagedaqi Analysis of Prevalence of Adolescent Infectious Diseases in Jiagedaqi Area Daxinganling Regional Health and Anti-Epidemic Station, Heilongjiang Province (165000) Song Jianghua We conducted a survey of prevalence of 8 infectious diseases among preschool children and primary and secondary school students in 1989 ~ 1991 Investigation, the report is as follows. Results: The incidence of infectious diseases among children and adolescents in our district has decreased year by year.