Advantages of the Interferon- Gamma Release Assay (IGRA) Over the Traditional

question 1

Multiple Choice

Advantages of the interferon- gamma release assay (IGRA) over the traditional TB skin test include all of the following except

• A) IGRA can be used on persons who have been vaccinated against TB.
• B) IGRAs are sensitive enough to detect early cases of TB.
• C) IGRA only detects active TB infections.
• D) IGRA can provide results within a day.
• E) IGRA requires only one patient visit as opposed to two with the skin test.

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