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A member asked:
Why might i need a tuberculin skin test done twice?
A doctor has provided 1 answer
TB test: If you were in close contact with an active case of tuberculosis and tested borderline or indeterminate, a second test maybe necessary in 8-10 weeks to completely rule out the disease. Since the test has limitations, screening for tuberculosis with igras or interferon-gamma release assays, has been recommended by the cdc especially for those who received bcg, are homeless, and history drug abuse.
Answered 7/9/2012
5.7k views
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