湖南省安仁县1962～2001年流行性乙型脑炎流行病学分析

An Analysis of Epidemiology of Japanese Encephalitis During 1962～2001 in Anren County

目的 了解湖南省安仁县 1962～ 2 0 0 1年乙脑的动态变化趋势及其流行病学特征。 方法 对湖南省安仁县 1962～ 2 0 0 1年间的乙脑疫情报告资料整理建立数据库 ,用SPSS10 .0统计软件包进行 χ2 等统计学检验。 结果 湖南省安仁县 1962～ 2 0 0 1年乙脑的发病率变化显著 (χ2 =65 5 .8,P <0 .0 1) ,年平均发病率为 11.67/10万 ;学龄前儿童占总病例数的 83 .5 8% ;乙脑发病具有明显季节性 ,7、8月是发病的高峰月 ,占全年病例数的 81.5 6%。 结论 乙脑疫苗的免疫接种对预防和控制乙脑的发生起重要作用 ,且已取得显著成效 ,但仍需加强对学龄前儿童的计划免疫。

Objective To study the variation of trend in incidence and epidemiological characteristics of Japanese Encephalitis(JE) during the period from 1962 to 2001. Methods To analyse the data of epidemic situation about Japanese encephalitis during 1962～2001 in Anren County. Result The difference in incidence was significant(χ2=655.8,P<0.01) , the mean incidence rate of JE was 11.67/105. children aged 0～5 were major subjects attacked by JE. There was obvious season factor, cases occurred mostly from July to Augst. Conclusion The inoculation of JE vaccine is an effective prophylaxis, we should strengthen the programmed immunization in children aged 0～5.