What is tuberculosis?

Tuberculosis (TB) is a disease caused by bacteria called Mycobacterium tuberculosis. The bacteria usually attack the lungs but can attack any part of the body such as kidney, spine or brain. The bacteria can be treated with antibiotics prescribed by your doctor.

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1. What is tuberculosis?
2. How is TB spread?
3. What is a TB skin test and why do I have to have one?
4. What happens if I have a positive TB skin test?