Social & Preventive Medicine Multidrug resistance in TB is defined as resistance to A Streptomycin, Rifampicin and Isoniazid B Isoniazid and Rifampicin C Streptomycin and Rifampicin D Streptomycin and Isoniazid 💡 Explanation Multidrug resistance in TB is defined as resistance to ✓ Correct Answer: B. Isoniazid and Rifampicin