Back to Story
FILE - A relative adjusts the oxygen mask of a tuberculosis patient at a TB hospital on World Tuberculosis Day in Hyderabad, India, March 24, 2018. (AP Photo/Mahesh Kumar A., File)

FILE - A relative adjusts the oxygen mask of a tuberculosis patient at a TB hospital on World Tuberculosis Day in Hyderabad, India, March 24, 2018. (AP Photo/Mahesh Kumar A., File)

This 1966 microscope photo provided by the U.S. Centers for Disease Control and Prevention shows Mycobacterium tuberculosis bacilli, the organism responsible for causing the disease tuberculosis. (Elizabeth S. Mingioli/CDC via AP)

This 1966 microscope photo provided by the U.S. Centers for Disease Control and Prevention shows Mycobacterium tuberculosis bacilli, the organism responsible for causing the disease tuberculosis. (Elizabeth S. Mingioli/CDC via AP)