中国2000～2004年流行性乙型脑炎流行病学特征分析

Epidemiological Analysis of the Japanese B Encephalitis in China During 2000-2004

目的了解中国2000～2004年流行性乙型脑炎（乙脑）流行情况，为乙脑预防控制提供流行病学依据。方法利用法定传染病报告数据进行乙脑描述流行病学分析。结果中国2000～2004年乙脑报告发病率分别为0．9489／10万、0．7707／10万、0．6548／10万、0．5829／10万、0．4021／10万，报告病例主要集中在贵州、重庆、四川、河南、云南、陕西省（直辖市）；报告病例中90％为〈15岁儿童。结论中国2000～2004年乙脑报告发病率逐年下降，表明乙脑预防控制取得了显著成效。

Objective To understand the epidemic situation of Japanese B Encephalitis （JE）in China during 2000- 2004 and provide the scientific basis for controlling JE in the future. Methods The data of JE from NNDRS during 2000 - 2004 was analyzed by Excel 97. Results （1）During 2000 - 2004,the reported incidence of JE is 0.948 9/100 000,0.770 7/100 000,0.654 8/100 000,0.582 9/ 100 000,0. 402 1/100 000, respectively. （2）The JE cases were mainly reported in some Provinces including Guizhou, Sichuan, Chongqing, Henan, Yunnan, and Shaanxi Provinces. （3）About 90 96 of the reported JE cases were children under 15 years old. incidence of JE has gradually decreased and suggest trol has achieved enormous success. Conclusion The results reveal that the reported that the effectiveness of the JE prevention and control has achieved enormous success.