Correct option is D
The BCG vaccine stands for Bacillus Calmette-Guerin, which is a vaccine primarily used against tuberculosis (TB).
The BCG vaccine contains a weakened strain of Mycobacterium bov is, a bacterium closely related to the one that causes TB in humans.
Basal Cell Carcinoma – This refers to a type of skin cancer.
Immunity: Provides protection against TB meningitis and other serious forms of TB in children.
Global Use: The World Health Organization (WHO) recommends the BCG vaccine for infants.