BCG (Bacillus Calmette–Guérin)

Your Complete Guide to the BCG (Bacillus Calmette–Guérin) Vaccine: Benefits, Side Effects, and Key Information

What is the BCG (Bacillus Calmette–Guérin) Vaccine?

The BCG vaccine is primarily used to protect against tuberculosis (TB), a serious bacterial infection that mostly affects the lungs. It is made from a weakened strain of Mycobacterium bovis and has been widely used for nearly a century, especially in countries with high TB prevalence. BCG is typically given to infants or young children and may also offer some protection against other related infections.