How common is extensively drug-resistant tuberculosis?
It is estimated that 1 to 1.5 million people worldwide are living with multidrug-resistant tuberculosis. In 2006, one in every 20 of all new cases of tuberculosis was multidrug-resistant. Of the nearly half a million people who became ill with multidrug-resistant tuberculosis, 50% were in China and India, and 7% in the Russian Federation.