What does a positive skin test result for TB and blood test result for TB mean?
A positive skin test result for TB means that a person has been exposed to TB and has the mycobacterium tuberculosis germ in his/her body. Although, additional testing is required to determine if an individual has progressed to active TB (TBD). A positive blood test for TB (QuantiFERON Gold) means a person has been exposed to TB and has the germ in his/her body. Additional laboratory testing and radiography are required to determine if a person has progressed to active TB (TBD).

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1. What is the difference between tuberculosis infection and tuberculosis disease?
2. What does a positive skin test result for TB and blood test result for TB mean?