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[目的]分析甘肃省2002～2008年流行性乙型脑炎(乙脑)的发病年龄,为控制乙脑提供依据。[方法]运用描述流行病学方法,利用甘肃省疾病预防控制中心(CDC)历年疫情资料汇编和法定传染病报告系统资料,分析2002～2008年甘肃省乙脑的发病年龄。[结果]2002～2008年,以0～6岁儿童发病率最高,≥45岁人群呈现一个小高峰。[结论]随着乙脑疫苗在儿童中的普遍接种,成人乙脑发病的问题越来越引起关注,公共卫生部门在制定乙脑防控策略之际,应该考虑成人发病的问题。
[Objective] To analyze the age of onset of Japanese encephalitis (JE) in Gansu from 2002 to 2008 and provide the basis for controlling JE. [Methods] Using descriptive epidemiological methods, the data of Gansu Provincial CDC epidemic data compilation and legal infectious disease reporting system were used to analyze the age of onset of JE in Gansu from 2002 to 2008. [Results] From 2002 to 2008, the incidence of children aged 0-6 years was the highest, and the population of ≥45 years old showed a small peak. [Conclusion] With the universal vaccination of Japanese encephalitis vaccine in children, the problem of adult Japanese encephalitis is getting more and more attention. The public health department should consider the problem of adult onset when formulating its prevention and control strategy.