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目的了解上海市徐汇区教育机构水痘的流行特征,为制定教育机构水痘防治对策和开展防制工作提供科学依据。方法对2006-2010年上海市徐汇区集体机构报告的水痘聚集性疫情资料进行描述性流行病学分析。结果2006-2010年徐汇区共报告水痘聚集性事件177起,其中99.44%为教育机构报告,教育机构5 a平均发病率为202.25/10万,中小学报告疫情数占80.57%,小学和中学5 a平均发病率分别为522.55/10万和277.33/10万。10-12月和4-6月高发;病例中男、女性别比为1.27∶1;自2007年起,教育机构水痘报告发病率呈逐年上升趋势;随着接种水痘疫苗时间的延长,发病概率有上升趋势;首发病例的发热率高于续发病例。结论徐汇区水痘聚集性疫情有上升趋势,应针对重点人群和高发时间采取有效的防控措施。
Objective To understand the epidemiological characteristics of chickenpox in educational institutions in Xuhui District, Shanghai, and to provide scientific evidence for the prevention and control of chickenpox in educational institutions. Methods Descriptive epidemiological analysis of varicella-aggregated outbreak data reported by the collective institutes in Shanghai Xuhui District from 2006 to 2010 was conducted. Results A total of 177 cases of chickenpox were reported in Xuhui District from 2006 to 2010, of which 99.44% were reported by educational institutions. The average incidence rate of educational institutions was 202.25 / 100000 in 5 years, 80.57% in primary and secondary schools, and 5% The average incidence of a were 522.55 / 100000 and 277.33 / 100000 respectively. 10-12 months and 4-6 months high incidence; the male and female ratio was 1.27: 1; since 2007, the incidence of chickenpox reported in education institutions showed an upward trend year by year; with the vaccination of chickenpox vaccine time, the probability of onset There is an upward trend; the first case of fever is higher than the recurrence of cases. Conclusion The epidemic situation of chickenpox in Xuhui District has an upward trend. Effective prevention and control measures should be taken for key populations and high incidence time.