bacillus calmette-guerin vaccine bcg vaccine
卡介苗。卡介苗
以上为机器翻译结果，长、整句建议使用 人工翻译 。
It was the first big study in infants since the Bacillus Calmette-Guerin (BCG) vaccine was introduced in 1921.
BBC: Tuberculosis vaccine hopes dashed
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