流动儿童的免疫接种一直是影响免疫覆盖的一个主要因素,无论是国家《预防接种规范》,还是各地的各种管理办法,都不能很好地解决这一难题。特别是在大量人口频繁流动的今天,流动儿童免疫接种问题日益突出,限制了整体接种率的提高。低免疫人群的流入很容易引起幼托机构及学校的传 Immunization of migrant children has always been a major factor affecting immunization coverage, and neither the national “vaccination norms” nor the various management practices in various places can solve this difficult problem. In particular, the problem of mobile immunization among migrant children is becoming increasingly prominent today with a large population flowing frequently, limiting the overall increase in vaccination rates. Inflow of low-immunity groups can easily lead to pre-child care institutions and schools