1992-2006年山西省流行性乙型脑炎疫情分析

Epidemiological analysis of Japanese encephalitis in Shanxi province,1992-2006

目的分析山西省流行性乙型脑炎(乙脑)的流行情况,为有效预防控制乙脑提供科学依据。方法采用描述性流行病学现况分析方法。结果1992-2006年山西省乙脑总发病2974例,其中男性1677例,女性1297例,年均发病率0.63/10万,总体呈下降趋势。结论乙脑发病基本呈下降趋势;发病呈现明显的夏季(8月)高峰;发病年龄明显后移。

Objective To investigate the epidemic situation of Japanese encephalitis （JE） in Shanxi province, provide the scientific evidence for the development of effective prevention and control strategies. Methods Descriptive epidemiological analysis was conducted. Results From 1992 to 2006, a total of 2974 cases of JE occurred in Shanxi province, with 1677 male cases and 1297 female cases. The average incidence of JE was 0.63/lakh and the total incidence of JE presented a declining tendency. Conclusion The overall incidence of JE in Shanxi province declined with the obvious peak in summer （August） and more cases in older age group. Preventive vaccination and anti-mosquito methods should be taken for the control of JE and the intensified surveillance of high-risk cases and regions should be conducted to reduce the incidence of JE in Shanxi province.