中国1998～2002年流行性乙型脑炎流行趋势分析

通过对中国 1998～ 2 0 0 2年流行性乙型脑炎 (乙脑 )发病资料进行系统分析 ,根据乙脑平均发病率水平、病例构成等指标将 31个省 (自治区、直辖市 ,下同 )划分为 5个区域。中国近年乙脑发病相对集中于 11个高发省 ,其发病数占全国病例总数的 80 %以上。因此控制高发省乙脑爆发或流行 ,对于降低全国乙脑发病水平具有决定性意义。建议对高发省尽快采取有效措施 ,控制爆发或流行 ,降低乙脑发病 ,并尽早将乙脑疫苗纳入儿童计划免疫

Analysis on Epidemic Trend of Japanese B Encephalitis during 1998 - 2002 in China

According to the results drawn from the analysis on Japanese B Encephalitis (JE) data during 1998-2002,the 31 provinces could be grouped into 5 regions based on the relevant indicators including incidence,proportion of cases by province and rank of the diseases It shows that above 80% of JE cases occurring in the 11 high incidence provinces during 1998-2002 As result,it is expected that it would make great contribution to the overall control of JE in the whole country to reduce the JE incidence in the 11 provinces Therefore,it is strongly recommended that the effective actions be taken as soon as possible in those high incidence provinces in order to control JE and eliminate the outbreak of the disease and also recommended to integrate JE vaccine into Expanded Program on Immunization in the near future