Safety and Immunogenicity of a Single Low Dose or High Dose of Clade 2 Influenza A(H5N1) Inactivated Vaccine in Adults Previously Primed With Clade 1 Influenza A(H5N1) Vaccine

被引:11
作者
Winokur, Patricia L. [1 ,2 ]
Patel, Shital M. [3 ,4 ]
Brady, Rebecca [5 ]
Chen, Wilbur H. [6 ]
El-Kamary, Samer S. [6 ]
Edwards, Kathryn [8 ]
Creech, C. Buddy [8 ]
Frey, Sharon
Keitel, Wendy A. [4 ]
Belshe, Robert [9 ]
Walter, Emmanuel [10 ]
Bellamy, Abbie [7 ]
Hill, Heather [7 ]
机构
[1] Univ Iowa, Dept Internal Med, Iowa City, IA 52242 USA
[2] Iowa City VA Healthcare Syst, Iowa City, IA USA
[3] Baylor Coll Med, Dept Med, Houston, TX 77030 USA
[4] Baylor Coll Med, Dept Mol Virol & Microbiol, Houston, TX 77030 USA
[5] Cincinnati Childrens Hosp, Gamble Program Clin Studies, Cincinnati, OH USA
[6] Univ Maryland, Sch Med, Ctr Vaccine Dev, Baltimore, MD 21201 USA
[7] EMMES Corp, Rockville, MD USA
[8] Vanderbilt Univ, Dept Pediat, Nashville, TN 37235 USA
[9] St Louis Univ, Dept Internal Med, St Louis, MO 63103 USA
[10] Duke Univ, Sch Med, Dept Pediat, Durham, NC USA
基金
美国国家卫生研究院;
关键词
H5N1; influenza; vaccine; prime-boost; MEMORY B-CELLS; PANDEMIC INFLUENZA; ANTIGENIC VARIANT; HUMANS;
D O I
10.1093/infdis/jiv087
中图分类号
R392 [医学免疫学]; Q939.91 [免疫学];
学科分类号
100102 ;
摘要
Influenza A(H5N1) vaccination strategies that improve the speed of the immunological response and cross-clade protection are desired. We compared the immunogenicity of a single 15-mu g or 90-mu g dose of A/H5N1/Indonesia/05/05 (clade 2) vaccine in adults who were previously primed with A/H5N1/Vietnam/1203/2004 (clade 1) vaccine. High-dose vaccine resulted in significantly higher titers to both clade 1 and 2 antigens. Clade 2 titers were unaffected by the previous dose of clade 1 vaccine. Low-dose priming with a mismatched pandemic influenza A(H5N1) vaccine would improve the rapidity, magnitude, and cross-reactivity of the immunological response following a single high-dose, unadjuvanted, pandemic vaccine.
引用
收藏
页码:525 / 530
页数:6
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