The success and failure of BCG - implications for a novel tuberculosis vaccine

被引:607
作者
Andersen, P [1 ]
Doherty, TM [1 ]
机构
[1] Statens Serum Inst, Dept Infect Dis Immunol, DK-2300 Copenhagen, Denmark
关键词
D O I
10.1038/nrmicro1211
中图分类号
Q93 [微生物学];
学科分类号
071005 [微生物学]; 100705 [微生物与生化药学];
摘要
Over the past 50 years, the Mycobacterium bovis bacille Calmette Guerin ( BCG) vaccine against tuberculosis ( TB) has maintained its position as the world's most widely used vaccine, despite showing highly variable efficacy ( 0 - 80%) in different trials. The efficacy of BCG in adults is particularly poor in tropical and subtropical regions. Studies in animal models of TB, supported by data from clinical BCG trials in humans, indicate that this failure is related to pre-existing immune responses to antigens that are common to environmental mycobacteria and Mycobacterium tuberculosis. Here, we discuss the potential mechanisms behind the variation of BCG efficacy and their implications for an improved TB vaccination strategy.
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收藏
页码:656 / 662
页数:7
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