These days, however, even though tuberculosis is no longer considered a major killer, cases of it are on the rise around the world, and in early May it was listed in a report by the World Health Organization as one of the leading causes of death over the next ten years. What's going on?
然而在今天，肺結核雖然不算大病，但是它在全世界的病例有升高的趨勢，五月初又在世界衛生組織的報告中被列為未來十年人類死亡主因之一，為什麼？