BCG is which type of vaccine
Bacille Calmette Guerin (BCG) is the most common vaccine administered to combat tuberculosis disease in the world. (1) The vaccine contains a weakened live strain of Mycobacterium bovis, which is present in cows and shares a common ancestor with the human tubercule bacillus Mycobacterium tuberculosis (2).imilar to other vaccines, BCG triggers the formation of antibodies from the harmless strain of Myobacterium bovis to help prevent tuberculosis (Figure 1)(1). The efficacy of BCG vaccine varies from 0-80% depending on age, the type of BCG vaccine, and the population (1).