A Study on EPI status and its affecting factors among migrant children in Wuhou district, Chengdu city[Objective] To understand the immunization coverage rate and its affecting factors among migrant children for effective management and policy of EPI.

• 目的 了解流动儿童接受计划免疫服务状况，分析流动儿童接受计划免疫服务可能的影响因素，为探索流动儿童计划免疫管理方法，制定有效的政策提供依据。