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目的了解北京市大兴区2011年开展学龄前流动儿童疫苗接种的查漏补种活动前后的疫苗接种情况。方法采用描述流行病学方法对2011年强化查漏补种数据进行分析。结果调查学龄前流动儿童53 230人,活动前建卡率95.78%,建证率99.32%,脊髓灰质炎疫苗(OPV)非零剂次率1.01%,OPV、麻风减毒活疫苗(MR)、麻风腮减毒活疫苗(MMR)、脑膜炎球菌多糖疫苗(MPV)、白百破联合疫苗(DPT)、流行性乙型脑炎疫苗(JEV)和乙型肝炎疫苗(HepB)零剂次率为0.20%～1.74%。结论查漏补种活动前,居住时间<2个月的儿童建卡、建证率低,疫苗零剂次率高;活动后补证率和相关疫苗补种率等均达到工作指标的要求。小年龄组和居住时间短的流动儿童是免疫规划管理的重点人群,春节后及时开展强化查漏补种是非常有必要的。
Objective To understand the vaccination before and after the leak detection and seeding campaign in 2011 in Daxing District, Beijing to carry out the vaccination of floating children before school age. Methods Descriptive epidemiological methods were used to analyze the data of enhanced leak detection and seeding in 2011. Results A total of 53 230 pre-school migrant children were investigated. The rate of establishing card was 95.78%, the rate of establishing card was 99.32%, the non-zero frequency of polio vaccine (OPV) was 1.01%, OPV, live attenuated leprosy vaccine (MR) MMR, MPV, DPT, JEV and HepB zero-lot-rate 0.20% ~ 1.74%. Conclusion Before the vaccination and replanting activities, the children who lived for less than 2 months had low rates of card construction and high zero vaccine incidence, and the carding rate and related vaccine replacement rate reached the working targets. Small-age groups and short-lived migrant children are the key population for immunization program management. It is very necessary to conduct intensified leak detection and replanting after the Spring Festival.