bcg vaccine

noun Immunology.

1. a vaccine made from weakened strains of tubercle bacilli, used to produce immunity against tuberculosis.

n.

1. A vaccine containing attenuated human tubercle bacilli that is used for immunization against tuberculosis.tuberculosis vaccine

1. A preparation used to immunize individuals against tuberculosis, consisting of attenuated live human tubercle bacilli (Mycobacterium tuberculosis), the bacteria that cause tuberculosis.