there is a strong demand
to develop new tuberculosis vaccines .
Since the effectiveness of the only available tuberculosis vaccine , Mycobacterium bovis bacillus Calmette - Guérin ( BCG ) , is suboptimal , there is a strong demand to develop new tuberculosis vaccines .
Since the effectiveness of the only available tuberculosis vaccine , Mycobacterium bovis bacillus Calmette - Guérin ( BCG ) , is suboptimal , there is a strong demand to develop new tuberculosis vaccines .