The correct option is D Tuberculosis
∙ BCG, i.e., Bacille Calmette-Guerin is a vaccine used to treat tuberculosis (TB). BCG is used in various countries with a high prevalence of TB to prevent childhood tuberculosis, meningitis and military disease.
∙ Tuberculosis (TB) is a potentially serious infectious disease that is caused by bacteria Mycobacterium tuberculosis. It mainly affects the lungs. TB is a communicable disease which spread from one person to another through bacteria containing tiny droplets released into the air via coughs and sneezes.