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Which of the following techniques is not used to diagnose HIV virus?

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in Biology – Class 12 by (271k points)
Which of the following techniques is not used to diagnose HIV virus?

(a) PCR

(b) Western Blot

(c) ELISA

(d) Widal test

I have been asked this question in my homework.

This interesting question is from Human Disease topic in portion Human Health and Disease of Biology – Class 12

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Correct answer is (d) Widal test

To explain I would say: Widal test is used to diagnose typhoid. PCR is done in the window period when there are no antibodies against the virus. It is also the fastest test to diagnose HIV infection. ELISA and Western Blot are the antigen-antibody tests.

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