In the medical world, before treatment comes diagnosis. It is the first, and most vital step towards getting care, and for infectious diseases, stopping the spread of the disease. This is especially the case for tuberculosis (TB), which is highly contagious. This is why, according to NPR, a new diagnostic test, developed by the Chinese company Pluslife , which is easier to use, cheaper, and more accurate, could be a game change in the fight to stop TB.