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Is a contact investigation ever initiated if someone only has a positive tuberculin skin test, with no other evidence of TB disease?

April 26, 2017contact disease initiated investigation positive skin TB Test tuberculin

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Is a contact investigation ever initiated if someone only has a positive tuberculin skin test, with no other evidence of TB disease?

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No. In general, a contact investigation should be done whenever a patient is found to have or is suspected of having infectious TB disease. However, in some situations, a source case investigation is conducted to find the source of TB transmission when recent transmission is likely.