A new vaccine raises hopes of someday curbing the tuberculosis epidemic
Two doses cut the disease rate in half for people with a latent TB infection
![kid getting BCG vaccine in Malaysia](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2018/09/092518_AC_vaccine_feat.jpg?fit=860%2C460&ssl=1)
SHOT TIME A boy in Malaysia receives the bacille Calmette-Guérin, or BCG, vaccine against tuberculosis, which was introduced in 1921 and can protect children from the disease, but doesn’t work well for adults. A clinical trial reports a new tuberculosis vaccine was effective in adults with latent infections.
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