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.ga: Is dúshlán mór do rialú Eitinne an lae inniu iad na leithchineálacha atá ag teacht chun cinn atá frithsheasmhach don dá ghníomhaire frith-Eitinne is éifeachtaí - isoniazid agus rifampicin (frithsheasmhacht ildhruga, MDR), chomh maith leis an dara líne antaibheathaigh (druga-fhrithsheasmhach go cuimsitheach, XDR) .