May 15, 2014

Although tuberculosis (TB) is preventable and curable, it is the second-biggest infectious disease killer behind HIV, and claims nearly 1.3 million lives each year.

The spread of drug-resistant strains of the disease is increasingly recognized as a public health emergency. Drug-resistant tuberculosis (DR-TB) is an umbrella term that refers to tuberculosis strains which resist the drugs routinely used to treat conventional TB.