2005—2011年上海市闸北区水痘流行特征

Epidemiological characteristics of varicella in Zhabei District of Shanghai from 2005-2011

目的通过了解上海市闸北区水痘的发病状况和流行趋势,为卫生行政部门制定水痘预防控制措施提供依据。方法对闸北区2005—2011年水痘报告和疫情监测资料进行流行病学分析。结果 2005—2011年共报告2 773例水痘病例,总体发病率为47.79/10万;男女发病比为1.26∶1;学龄前儿童和中小学生是水痘的高发人群;水痘发病有明显的季节性,发病高峰为冬春季和春夏季。结论该区应高度重视学校等集体机构水痘散发病例处理,提高人群对水痘的认知程度。

[ Objective ] To understand the incidence rate and epidemic trend of varicella in Zhabei District of Shanghai, provide sci- entific evidences for formulating the prevention and control strategies of varicella. [ Methods ] An epidemiological analysis was con- ducted in the reports and surveillance data of varicellain Zhabei District from 2005-2011. [ Results] A total of 2 773 cases of vari- celia were reported during 2005-2011, and the total incidence rate was 47.79/lakh. The male-to-female ratio of incidence rate was 1.26： 1. The preschool children, primary and middle school students had the high incidence rate of varicella. There was obvious seasonal characteristic, and the peak seasons occurred in winter and spring, as well as spring and summer. [ Conclusion] The relat- ed departments should pay great attention to the sporadic cases of varicella in schools and other crowded places, and improve people awareness of knowledge about varicella.