Formation of scar is neither necessary nor is the only indication of success of BCG vaccine. It may take three to six months for the scar to form. If no scar is visible at all after six months one ...

The tuberculosis vaccine, also known as the bacille Calmette-Guérin (BCG) vaccine, is used to protect against tuberculosis (TB) and related complications. The BCG vaccine is no longer routinely ...

But since the medic believed it was actually an MMR jab, they injected it into the muscle of her arm. However, the BCG vaccine contains bacteria, unlike MMR shot that have viruses. Injecting the ...