Over 60% of the world's Multi Drug Resistant TB cases are seen in which of the following countries?: (A) India, Brazil, Afghanisthan, (B) India, China, Russian Federation, (C) Africa, China, Brazil, (D) India, Africa, Afghanistan
Answer is B. Overall 60% of all MDR-TB cases are in India, China, and the Russian Federation. Reference: Harrisons Principles of Internal Medicine, 18th Edition, Page 1341