XDR means extensive drug resistance to
Correct Answer: All of the above
Description: Ans. (d) All of the aboveRef.: K. Park 23rd ed. /199-200Definition of Extensive Drug Resistance* Resistance to both isoniazid (H) and rifampicin, and* Resistance to 1 fluoroquinolones and* Resistance to one 2nd line injectables out of 3 (kanamycin, amikacin, capreomycin).Older Definition of XDR* Resistance of isoniazid (H) and rifampicin both +* Resistance to any 3rd line drugs.Also Know*Multiple drug resistance (MDR) means resistance to resistance to isoniazid (H) and rifampicin (R).
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