Around 450,000 new MDR-TB cases are estimated to occur every year, according to the WHO -- a small but worrying trend among the nine million annual tuberculosis infections as a whole.

• 根据世界卫生组织报道，每年大约有450,000个新的MDR-TB病例出现，这个数据较之于每年九百万肺结核传染病例的整体而言并不太大，但可怕的是它对肺结核病整体的影响。