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There are two kinds of tests used to detect TB bacteria in the body:
1. The TB skin test (TST).
2. The TB blood tests.
(A positive TB skin test or TB blood test only tells that a person has been infected with TB bacteria. It does not tell whether the person has latent TB infection (LTBI) or has progressed to TB disease.)
3. Chest x-ray.
4. Sample of sputum, are needed to see whether the person has TB disease.