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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0.948 9/10万、0.770 7/10万、0.654 8/10万、0.582 9/10万、0.402 1/10万,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 prevalence of Japanese encephalitis (JE) in China from 2000 to 2004 and provide epidemiological basis for the prevention and control of JE. Methods Epidemiological analysis of JE described by statutory infectious disease report data. Results The incidence of JE in China from 2000 to 2004 were 0.9489 / 100000, 0.7707 / 100000, 0.65480 / 100000, 0.5829 / 100000 and 0.402 1/10000, respectively. The reported cases were mainly in Guizhou, Chongqing, Sichuan, Henan, Yunnan and Shaanxi (municipalities); 90% of the reported cases were children <15 years old. Conclusions The incidence of JE in China from 2000 to 2004 has been declining year by year, indicating that prevention and control of JE has achieved remarkable results.