World Health Organization released the Global Tuberculosis Report . The prevalence rate of TB has fallen 41 % since 1990 . 9 million people developed tuberculosis in 2015 , it said . TB is a bacterial infection that can be spread through the air . There are several drug regimens approved to treat tuberculosis .
World Health Organization released the Global Tuberculosis Report . 9 million people developed tuberculosis in 2015 , it said . TB is a bacterial infection that can be spread through the air . There are several drug regimens approved to treat tuberculosis .