Multidrug-resistant tuberculosis (TB) is caused by bacteria resistant to isoniazid and rifampicin, the two most effective first-line anti-TB drugs, originally developed and introduced in the 1950 and 1960s. Since 2008, the Forum on Drug Discovery, Development, and Translation of the Institute of Medicine has hosted or co-hosted six domestic and international workshops addressing the global crisis of drug-resistant TB, with special attention to the...