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What is Multi-drug resistance tuberculosis implies resistance to at least - and explain in detail?
Multidrug-resistant TB is defined by resistance to atleast rifampicin & isoniazid, with or without other drug resistance . Extensively drug resistant TB is defined as resistance to atleast rifampicin & isoniazid in addition to any quinolone & atleast one injectable second -line agent. Reference: Harrison20th edition pg 1056