Confirmatory test for HIV infection is a_______________?
Correct answer: D. Western Blot
- A. ELISA
- B. Immunodot
- C. RIPA
- D. Western Blot
Explanation
Western blot was the traditional confirmatory test after a reactive HIV screening ELISA because it identifies antibodies against specific HIV proteins. Modern laboratories may use HIV antigen-antibody and differentiation algorithms instead, but Western blot is the expected answer in this classic MCQ.
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