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Tuberculosis (TB)

In latent TB , the body’s immune system has walled off (encapsulated) the bacteria into tiny capsules called tubercles..

What is tuberculosis?

Tuberculosis (TB) is a bacterial infection that usually affects the lungs (pulmonary TB), but can affect other parts of the body (extrapulmonary TB).

Tuberculosis is classified as latent or active.

In latent TB , the body’s immune system has walled off (encapsulated) the bacteria into tiny capsules called tubercles. Although the TB-causing bacteria are in your body, you cannot spread the infection to others. However, you are at risk for developing active TB if your immune system becomes weakened.In active TB , the infection is spreading in your body and, if your lungs are infected, you can spread the disease to others