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目的了解保山市2005-2008年流行性乙型脑炎(乙脑)流行病学特征,为防治提供依据。方法对2005-2008年报告的乙脑病例进行描述性流行病学分析。结果 2005-2008年保山市共报告乙脑病例224例,各年发病率分别为1.70/10万、2.68/10万、2.46/10万和2.35/10万,各年皆呈高度散发状态。流行高峰为7-8月,占总发病数的63.84%。主要发病人群为10岁以下儿童,占发病总数的76.79%。死亡3例,病死率为1.34%。结论保山市乙脑疫情得到了较好控制,但仍应加强预防接种、防蚊灭蚊为主的综合防治措施。
Objective To understand the epidemiological characteristics of Japanese encephalitis (JE) from 2005 to 2008 in Baoshan City and provide the basis for prevention and treatment. Methods Descriptive epidemiological analysis of JE cases reported in 2005-2008. Results A total of 224 cases of Japanese encephalitis were reported in Baoshan from 2005 to 2008, with annual incidence rates of 1.70 / 100,000, 2.68 / 100,000, 2.46 / 100,000 and 2.35 / 100,000, respectively. The peak of epidemic was from July to August, accounting for 63.84% of the total incidence. The main incidence of children under 10 years of age, accounting for 76.79% of the total number of cases. 3 died, the case fatality rate was 1.34%. Conclusion The epidemic situation of Japanese encephalitis in Baoshan City has been well controlled, but comprehensive prevention and control measures such as vaccination and mosquito control should still be strengthened.