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目的了解山东省2007～2009年的水痘疫情,为控制水痘爆发和流行提供流行病学依据。方法收集中国疾病控制信息系统中,山东省2007～2009年的水痘个案病例及爆发疫情信息,采用描述流行病学方法分析流行病学特征。结果山东省2007～2009年共报告水痘61886例,死亡1人,3年平均发病率为22.03/10万,春、冬季高发。病例中男女性别比为1.42:1,主要集中在3～10岁儿童,≤10岁儿童发病率为117.59/10万。同期共报告爆发疫情72起,主要发生在农村学校和托幼机构。结论儿童为水痘的高发人群,应加强托幼机构及学校水痘疫情的监测,及时采取隔离病例、接种水痘疫苗等控制措施,以减少爆发疫情的发生,进一步降低水痘发病率。
Objective To understand the epidemic situation of chickenpox in Shandong Province from 2007 to 2009 and to provide epidemiological basis for the control of the outbreak and spread of chickenpox. Methods The cases of chickenpox in Shandong Province from 2007 to 2009 and outbreak information were collected from China’s disease control information system. Epidemiological characteristics were analyzed by descriptive epidemiology. Results A total of 61886 chickenpox cases were reported in Shandong Province from 2007 to 2009, with one death. The average incidence rate in three years was 22.03 / 100000 with high incidence in spring and winter. The male / female sex ratio was 1.42: 1 in the case, mainly in children aged 3 to 10 years. The incidence of children ≤10 years old was 117.59 / 100000. During the same period, a total of 72 outbreaks were reported, mainly in rural schools and nurseries. Conclusions Children are the high incidence of chickenpox. Surveillance of chickenpox epidemics in nurseries and schools should be strengthened. Timely isolation measures and varicella vaccination should be taken to reduce the incidence of outbreaks and further reduce the incidence of chickenpox.