Tuberculosis Tuberculosis (TB) is caused by bacteria (Mycob | UPSC Science and Technology

Tuberculosis

Tuberculosis (TB) is caused by bacteria (Mycobacterium tuberculosis) that most often affect the lungs. TB is spread from person to person through the air.

When people with lung TB cough, sneeze or spit, they propel the TB germs into the air. A person needs to inhale only a few of these germs to become infected.

Alcohol use disorder and tobacco smoking increase the risk of TB disease.

Tuberculosis is curable and preventable.

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