What is the vaccine for tuberculosis???​

Tuberculosis vaccines are vaccinations intended for the prevention of tuberculosis. Immunotherapy as a defence against TB was first proposed in 1890 by Robert Koch. Today, the only effective tuberculosis vaccine in common use is bacilli Calmette-Guérin, first used on humans in 1921

hi,

the answer is third world countries, take for instance china, they restricted each family with only one child,

hope this !

when it's short and dry.