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目的分析罗定市2000-2008年流行性乙型脑炎(乙脑)流行趋势,为全市乙脑预防控制策略提供依据。方法对罗定市2000-2008年以来疫情信息监测资料和个案调查资料进行回顾性分析。结果 9年共报告乙脑72例,年均发病率为0.73/10万,年均死亡率为0.01/10万。男性与女性发病之比为2.78︰1;发病以散居儿童为主,占61.11%,其次是学生,占30.56%;发病有明显的季节性,病例主要集中在5、6月。结论乙脑病例呈高度散发,提示乙脑防治重点加强对边远山区学龄前儿童的预防接种工作,同时应加强健康教育,开展防蚊灭蚊,降低乙脑发病率。
Objective To analyze the epidemiological trend of Japanese encephalitis (JE) in Luoding City from 2000 to 2008, and provide the evidence for prevention and control of JE in the city. Methods Retrospective analysis was conducted on surveillance data and case investigation data of epidemic information in Luoding since 2000-2008. Results A total of 72 cases of JE were reported in 9 years, with an average annual incidence of 0.73 per 100 000 and an average annual mortality of 0.01 per 100 000. Incidence of male to female ratio was 2.78: 1; the incidence of diaspora mainly accounted for 61.11%, followed by students, accounting for 30.56%; the incidence of seasonal obvious cases mainly concentrated in May and June. Conclusion The cases of Japanese encephalitis are highly exuded, which suggests that prevention and treatment of Japanese encephalitis should focus on preventive vaccination of preschool children in remote mountainous areas. At the same time, health education should be strengthened to prevent mosquito and reduce the incidence of Japanese encephalitis.