translation.en: The emergence of strains resistant to the two most effective anti-TB agents isoniazid and rifampicin (multi-drug resistant, MDR), as well as to other second line antibiotics (extensively drug-resistant, XDR), poses a serious challenge to TB control today.
translation.is: Ný sýklaafbrigði sem eru ónæm annars vegar gegn tveimur afar öruggum fjölónæmum berklalyfjunum, isoniazid og rifampicin (multi-drug resistant, MDR), og hins vegar gegn öðrum enn máttugri lyfjum sem jafnan eru höfð til vara ef MRD lyfin skyldu bregðast (extensively drug-resistant, XDR), ógna öllum berklavörnum.