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TB Testing

TYPES OF TESTING

There are two kinds of tests that are used to detect TB bacteria in the body: the TB skin test (TST) and 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 active TB disease. Other tests, such as a chest x-ray and a sample of sputum, are needed to see whether the person has active TB disease. For more information, click HERE.

TB INFORMATION FOR TRAVELERS