对所有小学新生的预防接种状况进行核查,可以全面了解包括流动儿童在内的所有适龄儿童的预防接种情况,对未全程免疫者进行补种。为此,我们在合肥市瑶海区,随机抽取两所小学新生进行描述性研究,现报告如下。1材料与方法1.1调查对象在瑶海区随机抽取两所小学,两所小学的所有一年 The verification of the vaccination status of all primary school freshmen can provide a comprehensive understanding of vaccination coverage of all school-age children, including migrant children, and make reseeding of those who are not fully immunized. To this end, we Yaohai District, Hefei, randomly selected two primary freshmen descriptive research, are as follows. 1 Materials and Methods 1.1 Survey in Yaohai randomly selected two primary schools, all primary schools for a year