If you have been exposed to someone with active TB disease or meet any of the criteria for testing listed in the previous question, you should get a TB skin test. The TB skin test is an easy way to tell if the TB germs are in your body. A trained health care worker will examine your arm 2 or 3 days after the test has been placed. If the test is “positive,” you probably have LTBI. You will need a chest x-ray and a medical examination to make sure that you don’t have TB disease and to see if you should receive treatment for latent TB infection.
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