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Tuberculosis Vaccine
The only widely available vaccine for tuberculosis (TB) is the Bacille Calmette-Guérin (BCG) vaccine. First administered to humans in 1921, it is prepared from a live, weakened strain of Mycobacterium bovis (bovine tuberculosis), which is genetically similar enough to human TB to prompt an immune response. While it is a standard childhood immunization in many countries with high TB prevalence, it is handled very differently in nations where the disease is less common
Tuberculosis Vaccine
The only widely available vaccine for tuberculosis (TB) is the Bacille Calmette-Guérin (BCG) vaccine. First administered to humans in 1921, it is prepared from a live, weakened strain of Mycobacterium bovis (bovine tuberculosis), which is genetically similar enough to human TB to prompt an immune response. While it is a standard childhood immunization in many countries with high TB prevalence, it is handled very differently in nations where the disease is less common