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| A meta-analysis of vaccine efficacy of haemophilus influenza type b vaccine among children under five years of age |
| HU Yu,LI Qian,ZHANG Bing,CHEN Ya-ping
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| The Center for Disease Control and Prevention of Zhejiang Province,Hangzhou,Zhejiang,310051,China |
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Abstract Objective To evaluate vaccine efficacy(VE) of Haemophilus influenza type b vaccine (Hib) among children under five years of age . Methods Searching “National Center for Biotechnology Information, NCBI”,“Cochrane Library,CL”,“China Biology Medicine disc, CBMd”,“China National Knowledge Infrastructure, CNKI”,“ Wanfang Database, the studies of VE for Hib among children under five years of age were included, and meta-analysis were made by RevMan 5.3 software. Results A total of 9 studies were included, seven were randomised clinical trial(RCT) design and two were semi RCT design. The VEs of one dose, two doses and three doses of Hib were 65%(95%CI23%-84%), 79%(95%CI 54%-90%), and 85%(95%CI 77%-90%), respectively. Conclusion We found that Hib is highly effective and that the two dose regime is as good as the three dose regime.
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Published: 11 December 2017
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