Tuberculosis (TB) is a lung condition caused by bacteria called Mycobacterium tuberculosis. It’s a treatable airborne bacterium, although some strains are resistant to conventional treatments. TB is one of the top causes of death in people who have HIV. About 35 percentTrusted Source of HIV-related deaths are due to TB.
Impact of TB around the world
The cases of TB have fallen 1.5 percentTrusted Source each year since 2000. The goal is to end TB by 2030.
Risk factors and prevention
Risk factors for tuberculosis include:
- HIV infection
- a lower body weight
- proximity to others with TB
- regular use of certain medications like corticosteroids or drugs that suppress the immune system
The best prevention against TB is to get the bacillus Calmette-Guerin (BCG) vaccine. This is commonly given to children. If you think you’ve been exposed to TB bacteria, you can start taking a treatment medication called chemoprophylaxis to reduce the likelihood of developing the condition.