Epidemiological Characteristics of Japanese Encephalitis in Guizhou Province,China,1971-2009

查看全文 作　　者：ZHANG [1,2]Li;LUAN Rong [1]Sheng;JIANG [2]Feng;RUI Li [2]Ping;LIU [2]Min;LI Yi [3]Xing;YIN Zun [3]Dong;LUO Hui [3]Min

机构地区：[1]West China School of Public Health, Sichuan University, Chengdu 610041, Sichua, China;[2]Guizhou ProvincialCenter for Disease Control and Prevention, Guiyang 550004, Guizhou, China,;[3]Chinese Center for DiseaseControl and Prevention, Beijing 100050, China

出　　处：《Biomedical and Environmental Sciences》索引2012年第25卷第3期,共8页

基　　金：supported by a grant from NIP of Center for Disease Control and Prevention of China 摘　　要：Objective The aim of the study was to establish the contemporary epidemiological characteristics of Japanese encephalitis (JE) in Guizhou Province.Methods A retrospective study of National Notifiable Disease Reporting System (NNDRS) data from 1971 through 2009,was conducted to ascertain the geographical,seasonal,and age distributions of JE incidence in Guizhou Province,China.Results A total of 68 425 JE cases were reported in Guizhou from 1971-2009.The JE cases occurred sporadically in all 9 prefectures of Guizhou,mostly among residents of rural areas.Seasonal distribution of JE remained consistent over the period from 1971-2009 with the main transmission season starting from June to September and peaking in August.JE occurred mainly in children under the age of 15 years with peak incidence in the 0-6-year age group.Pearson's correlation analysis showed that JE vaccine distribution had a negative correlation with JE incidence rates during 1971-2009 (coefficient of correlation=-0.475,P<0.01).Conclusion Over the period of 1971-2009,the JE incidence rate had declined dramatically in terms of geographical and age distributions due to JE vaccination to children at risk. 关键词：流行病学特征流行性乙型脑炎贵州省中国乙脑疫苗年龄分布季节分布法定传染病

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Epidemiological Characteristics of Japanese Encephalitis in Guizhou Province,China,1971-2009

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