In high-income countries people at high risk of TB disease undergo screening programmes even when they have no symptoms.
Until vaccines that are capable of protecting all populations against TB are developed, treatment is the best option to preventing infection.
In Manitoba, Canada, researchers have used health databases to better understand how people with tuberculosis interact with the health-care system.
Scientists have struggled to diagnose TB in people with compromised immune systems because of the low levels of the bacteria in their body.
Scientists have found proteins in the body that promote lung inflammation which helps the bacteria that causes TB to spread throughout the lung.
South African scientists have found a way to single out the problematic parts of the bacteria causing TB that results in drug resistance.