Tuberculosis Vaccines

Tuberculosis (TB) is the leading cause of death by an infectious agent worldwide. The Bacillus Calmette-Guérin (BCG) is the only licensed vaccine against TB and the most widely used vaccine in history. Since 1921, billions of people have been vaccinated with BCG, resulting in a remarkable decline in infant mortality. However, although BCG's efficacy to prevent TB meningitis and disseminated diseas...