上海市自1986年开始实行凭预防接种证入学制度,对未完成免疫规划疫苗接种的学生需进行补种。为评价中小学生免疫状况,对长宁区小学一年级和初中预备班新生进行了脊髓灰质炎(脊灰)中和抗体水平调查,结果报告如下。1材料与方法1.1对象以招收外地流动人口学生最多的7所学校2008学 Since 1986, Shanghai has introduced a system of admission with vaccination certificates to re-vaccinate students who have not completed the immunization program. In order to evaluate the immune status of primary and secondary school students, the level of neutralizing antibody of polio (poliomyelitis) in freshmen of first grade and junior high school in Changning District was investigated. The results are reported as follows. 1 Materials and Methods 1.1 Object to recruit foreign students from floating population up to 7 schools in 2008 school