there is a strong demand
Live influenza virus vaccines might be considered as potential vectors for mucosal immunization against various viral or bacterial pathogens ,
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 .
Live influenza virus vaccines might be considered as potential vectors for mucosal immunization against various viral or bacterial pathogens , including M. tuberculosis .