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目的分析陕西省临渭区2009-2012年水痘的流行病学特征,为制订水痘预防控制措施提供科学依据。方法采用描述流行病学方法对2009-2012年临渭区疾病监测信息系统报告的水痘疫情资料进行分析。结果 2009-2012年共报告556例水痘病例,年均发病率为15.46/10万,男女性别比为1.22∶1;水痘发病高峰为5~6月和12月,城区病例占总发病数的65.09%,学生病例占总发病人群的60.61%;出现1起突发公共卫生事件,发生在农村1所小学。结论2009-2012年临渭区水痘发病人群主要为学生,学校是水痘事件发生的重要场所,加强学校水痘疫情监测,接种水痘疫苗是预防和控制水痘的有效措施。
Objective To analyze the epidemiological characteristics of chicken pox in Linwei District of Shaanxi Province from 2009 to 2012 and provide a scientific basis for the development of preventive and control measures against chicken pox. Methods Descriptive epidemiological methods were used to analyze the epidemic situation of chickenpox reported by Disease Surveillance Information System in Linwei District from 2009 to 2012. Results A total of 556 chickenpox cases were reported from 2009 to 2012, with an average annual incidence rate of 15.46 / lakh and a male-to-female ratio of 1.22:1. The highest incidence of chickenpox was between May and June and December, and the number of urban cases was 65.09 %, Student cases accounted for 60.61% of the total disease population; there were 1 public health emergencies occurred in a rural primary school. Conclusion From 2009 to 2012, the incidence of chickenpox in Linwei was mainly students. The school was an important place for the occurrence of chickenpox. To monitor the school’s chickenpox epidemics, vaccination with chickenpox was an effective measure to prevent and control chickenpox.