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目的了解无锡市学校水痘发病情况及流行病学特点。方法收集2006—2016年无锡市学校水痘报告病例资料,采用描述性流行病学方法对水痘流行强度、病例三间分布及预防接种情况进行分析。结果 2006—2016年无锡市学校共报告水痘病例20 649例,年均报告发病率为303.27/10万,无死亡病例报告;共报告水痘突发公共卫生事件66起。水痘病例男女性别比为1.37∶1;发病主要集中在3—6月和11月—次年1月,共报告15 803例,占76.53%;无锡市各地区学校均有报告,惠山区学校水痘报告发病率最高,为764.43/10万。81.32%水痘病例无水痘疫苗接种史。结论学生是水痘发病的易感人群,应加强冬季和春末夏初学生水痘疫情的预防与控制,加强水痘疫苗接种宣传。
Objective To understand the prevalence and epidemiological characteristics of chickenpox in Wuxi City. Methods The data of cases of chickenpox reported in Wuxi City from 2006 to 2016 were collected. Descriptive epidemiological methods were used to analyze the epidemic intensity of chickenpox, the distribution of the three cases and the status of vaccination. Results A total of 20 649 cases of chickenpox were reported in Wuxi schools from 2006 to 2016, with an average annual incidence of 303.27 / 100 000 and no deaths. A total of 66 public health cases of chickenpox were reported. The ratio of male to female in chickenpox cases was 1.37:1. The incidence mainly concentrated in 3-6 months and in November-January of the following year, 15 803 cases were reported, accounting for 76.53%. There were reports from schools in Wuxi and Huishan schools for chickenpox The highest incidence was reported, at 764.43 / 100,000. 81.32% chickenpox cases without chickenpox vaccination history. Conclusions Students are susceptible to the chickenpox disease. Preventive and control measures should be taken to prevent and control the chickenpox epidemics in winter and spring and early summer, and to strengthen the publicity of chickenpox vaccination.