{"title":"[12 years immunological effects of hepatitis B vaccine made by recombinant deoxyribonucleic acid techniques in Chinese hamster ovary cell].","authors":"Shun-Xiang Qi, Xin-Jiang Zhang, Jian-Li Zhang","doi":"","DOIUrl":null,"url":null,"abstract":"<p><strong>Objective: </strong>To understand the long-term immunological effects of a recombined hepatitis B vaccine [HepB made by recombinant deoxyribonucleic acid (DNA) techniques in Chinese hamster ovary (CHO) cell, HepB (CHO)].</p><p><strong>Method: </strong>from 1997 to 1999 all newborns in Zhengding County were administered to HepB (CHO)at birth. Children in 3 of all 7 towns in the county were selected as study objects to check their hepatitis B vaccination history and test for HBV markers.</p><p><strong>Results: </strong>Children who aged 10, 11 and 12 years after immunization, the anti-HBs positive rates were 71.0%, 72.1% and 68.2% respectively, and the geometric mean concentration (GMCs)were 197.9 mIU/ml, 296.0 mIU/ml and 158.0 mIU/ml respectively; Anti-HBs GMCs were 197.9 mIU/ml, 296.0 mIU/ml and 158.0 mIU/ml respectively. The Average GMC was 207.9 mIU/ml. HBsAg and anti-HBc positive rates were 0.50% and 2.26% respectively.</p><p><strong>Conclusion: </strong>The long-term immunological effects of HepB (CHO) are excellent.</p>","PeriodicalId":56402,"journal":{"name":"中国疫苗和免疫","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2010-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"中国疫苗和免疫","FirstCategoryId":"1085","ListUrlMain":"","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
Objective: To understand the long-term immunological effects of a recombined hepatitis B vaccine [HepB made by recombinant deoxyribonucleic acid (DNA) techniques in Chinese hamster ovary (CHO) cell, HepB (CHO)].
Method: from 1997 to 1999 all newborns in Zhengding County were administered to HepB (CHO)at birth. Children in 3 of all 7 towns in the county were selected as study objects to check their hepatitis B vaccination history and test for HBV markers.
Results: Children who aged 10, 11 and 12 years after immunization, the anti-HBs positive rates were 71.0%, 72.1% and 68.2% respectively, and the geometric mean concentration (GMCs)were 197.9 mIU/ml, 296.0 mIU/ml and 158.0 mIU/ml respectively; Anti-HBs GMCs were 197.9 mIU/ml, 296.0 mIU/ml and 158.0 mIU/ml respectively. The Average GMC was 207.9 mIU/ml. HBsAg and anti-HBc positive rates were 0.50% and 2.26% respectively.
Conclusion: The long-term immunological effects of HepB (CHO) are excellent.
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