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目的了解河西区2008~2011年的水痘疫情,为控制水痘暴发和流行提供流行病学依据。方法收集中国疫情信息系统中河西区2008~2011年的水痘病例,采用描述流行病学方法进行统计分析。结果河西区2008~2011年共报告水痘2 725例,2008~2011年发病率分别为87.86/10万、86.43/10万、104/10万、111/10万。水痘发病集中在5~20岁,男女性别比为1.38:1。水痘发病主要集中在1~5月及12月,其发病人数占总发病人数的67.3%。在发病人群中,主要集中在托幼儿童及中小学生,占总病例数的70.82%。病例在各街道间分布不平衡,幼儿园、学校分布密集的街道发病率较高。结论儿童为水痘的高发人群,应采取加强病例报告和防控力度、提高水痘疫苗的接种率和加大宣传力度等控制措施,以减少暴发疫情的发生,降低水痘发病率。
Objective To understand the epidemic situation of chicken pox in Hexi Region from 2008 to 2011 and provide epidemiological basis for controlling the outbreak and epidemic of chicken pox. Methods The chickenpox cases from 2008 to 2011 in Hexi Region of China were collected and analyzed by descriptive epidemiological method. Results A total of 2 725 chickenpox cases were reported in Hexi District during 2008-2011. The incidence rates in 2008-2011 were 87.86 / 100000, 86.43 / 100000, 104/100000, 111/100000 respectively. The incidence of chickenpox concentrated in 5 to 20 years old, male to female ratio was 1.38: 1. Chickenpox incidence mainly concentrated in January to May and December, the incidence of the total number of cases accounted for 67.3%. In the incidence of the crowd, mainly concentrated in child care and primary and secondary school children, accounting for 70.82% of the total number of cases. The cases are unevenly distributed among the streets, with high prevalence of kindergartens and schools with densely populated streets. Conclusions Children with high frequency of chickenpox should take measures such as strengthening case report, preventing and controlling cases, increasing the inoculation rate of varicella vaccine and increasing publicity so as to reduce outbreak and reduce the incidence of chickenpox.