Question

name organism causes TBA against which BCG vaccination is given

Answer 1

Tuberculosis (TB) is caused by a type of bacterium called Mycobacterium tuberculosis. It's spread when a person with active TB disease in their lungs coughs or sneezes and someone else inhales the expelled droplets, which contain TB bacteria

Bacillus Calmette–Guérin (BCG) vaccine is a vaccine primarily used against tuberculosis.