Comment Re:America (Score 2, Informative) 480
They may have indeed approved this rifapentine, but the vaccine (BCG is also , albiet not for TB, but the research supporting that is out there).
This doesn't mean that it is necessarily succesful at treatment, but merely they believe in potentially is slightly beneficial and not adversely harmful.
There have been many "treatments" for TB, but the success rate is quite questionable.