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《Chinese Journal of Vaccines and Immunization》 2006-04
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Seroepidemiological Study on Viral Hepatitis B of the Eastern,Middle,and Western Areas in China

CHEN Yuan-sheng,WANG Xiao-jun,LIANG Xiao-feng.et al.(NIP,Chinese Center for Disease Control and Prevention.Beijing 100050,China)  
Objective To know the status of Hepatitis B of the Eastern,Middle,and Western areas in China.Methods We analyzed the data of the seroepidemiological study using the remaining blood samples of the nationwide survey of Nutrition and Health in Chinese residents,which was done in 2002.Results (1)Among population in the Eastern areas,the adjusted prevalence rate of HBsAg is 9.20%,the rate of HBsAg is 4.29% in the urban areas and 11.79% in the rural areas.For15-years-old children,the rate is 6.46% in the whole children,2.29% in the urban areas and 12.39% in the rural areas respectively.(2)Among population in the Middle areas,the adjusted prevalence rate of HBsAg is 7.24%,the rate of HBsAg is 4.41% in the urban areas and 7.84% in the rural areas.For15-years-old children,the rate is 4.47% in the whole children,1.61% in the urban areas and 6.82% in the rural areas respectively.(3)Among the whole population in the Western areas,the adjusted prevalence rate of HBsAg is 8.24%,the rate of HBsAg is 4.53% in the urban areas and 9.05% in the rural areas.For15-years-old children,the rate is 5.48% in the whole children,2.57% in the urban areas and 7.35% in the rural areas respectively.Conclusions The results show that the prevalence rate of the HBsAg of the Eastern,Middle,and Western areas in China has obviously been descending in different levels,especially to the children less than 15 years old,and suggest that the impacts of(Hepatitis B) are prominent in these areas since the Hepatitis B vaccine has been introduced into expanded program on immunization(EPI) since 1992.
【Fund】: 卫生部重大疾病控制支持项目
【CateGory Index】: R512.62
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