BCG, or bacille Calmette-Guerin, is a vaccine for tuberculosis (TB) disease. Many foreign-born persons have been BCG-vaccinated. BCG is used in many countries with a high prevalence of TB to prevent childhood tuberculous meningitis and miliary disease.

Can you get TB after BCG vaccine?

Impact of BCG vaccination has demonstrated that classical or generalized tuberculosis meningitis, miliary TB, disseminated tuberculosis, and other serious complications of primary infections go on occurring in malnourished BCG-vaccinated children.

Does BCG protect TB?

The BCG vaccine protects against tuberculosis, which is also known as TB. TB is a serious infection that affects the lungs and sometimes other parts of the body, such as the brain (meningitis), bones, joints and kidneys.