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[目的]了解沈阳市和平区水痘暴发疫情的流行特征,为制定相关措施提供依据。[方法]对2009年1和4月沈阳市和平区发生的2起水痘暴发疫情资料进行分析。[结果]2起水痘突发公卫事件累计报告病例83例,2起均发生在幼儿园,罹患率分别为8.60%和12.11%,分别历时8和22d。A园幼儿中明确有水痘疫苗接种史的罹患率为4.23%,未接种过水痘疫苗的罹患率为71.43%(P<0.01);B园幼儿中明确有水痘疫苗接种史的罹患率为4.11%,无水痘疫苗接种史罹患率为82.05%(P<0.01)。[结论]2起水痘暴发疫情中,B幼儿园罹患率高于A幼儿园罹患率,B幼儿园的免疫接种率彽于A幼儿园。
[Objective] To understand the epidemic characteristics of chickenpox outbreak in Heping District of Shenyang City, and provide the basis for formulating relevant measures. [Method] The data of two outbreaks of chickenpox outbreaks in Heping District of Shenyang in January and April of 2009 were analyzed. [Results] 83 cases were reported from 2 public cases of varicella, and 2 cases occurred in kindergarten. The attack rates were 8.60% and 12.11% respectively, which lasted for 8 and 22 days respectively. The prevalence rate of chickenpox vaccination in Park A was 4.23%, and the incidence of unvaccinated chickenpox vaccine was 71.43% (P <0.01). The prevalence of clear vaccination against chickenpox in Park B was 4.11% The prevalence of chickenpox vaccination was 82.05% (P <0.01). [Conclusion] Among 2 outbreaks of chickenpox, the attack rate of K nursery was higher than the attack rate of Kindergarten A, and the immunization rate of Kindergarten A was in Kindergarten A.