The BCG vaccine, also known as the Bacillus Calmette-Guerin vaccine, is a type of vaccine used for the prevention of tuberculosis and other mycobacterial infections. Other synonyms for BCG Vaccine include Tuberculosis (TB) vaccine, TB inoculation, TB shot, and TB injection. It is a live vaccine made from a weakened strain of the bacteria that causes tuberculosis, which is administered via injection. The BCG vaccine is typically given to infants and young children in countries where TB is common. Other synonyms for BCG Vaccine can also include Tuberculostat and Mycobacterium bovis vaccine. The BCG vaccine is known for providing long-term protection against TB, making it an essential immunization option for individuals at risk of infection.