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目的分析2009-2011年深圳市水痘疫情流行病学特点,为制订深圳市水痘预防控制策略提供参考依据。方法对2009-2011年深圳市水痘疫情进行描述性流行病学分析。结果 2009-2011年全市共报告病例12 775例,死亡0例,年平均发病率为42.96/10万,年发病率分别为36.75/10万、32.97/10万和58.13/10万。其中宝安区报告病例最多(4 812例),占全部病例的37.66%,3年平均报告发病率高的为盐田区(165.40/10万)。每年5~6月以及12月至次年1月发病较多,发病以5~10岁年龄组儿童为最多,职业分布以学生构成最大。2009-2011年全市报告水痘突发疫情98起,发生单位均为学校和托幼机构。结论 2009-2011年深圳市水痘发病率呈上升趋势,疫情较为严重,有必要加强相关科研,明确当前疾病负担以及探索相应的防控策略。
Objective To analyze the epidemiological characteristics of chickenpox in Shenzhen in 2009-2011 and provide a reference for formulating the prevention and control of chickenpox in Shenzhen. Methods Descriptive epidemiological analysis of the epidemic of chickenpox in Shenzhen from 2009 to 2011 was conducted. Results A total of 12 775 cases were reported in the city from 2009 to 2011, with 0 deaths. The average annual incidence rate was 42.96 / 100 000 with an annual incidence of 36.75 / 100000, 32.97 / 100000 and 58.13 / 100000 respectively. Among them, Bao’an District reported the most cases (4 812 cases), accounting for 37.66% of all cases. The average incidence of 3-year reports was Yantian District (165.40 / 100,000). From May to June every year and from December to January next year, there was more incidence, with the incidence of children aged 5 to 10 years being the most, occupational distribution with the largest student composition. 2009-2011 The city’s report of 98 cases of varicella outbreaks, the occurrence units are schools and nurseries. Conclusion The incidence of chickenpox in Shenzhen in 2009-2011 is on the rise. The epidemic situation is more serious. It is necessary to strengthen related research, clarify the current burden of disease and explore appropriate prevention and control strategies.