An HIV infected individual will show a negative result for an antibody-antigen based test if the body has not produced antibodies. For such a situation, which of the following test could be used to confirm the presence of HIV?

Question

An HIV infected individual will show a negative result for an antibody-antigen based test if the body has not produced antibodies. For such a situation, which of the following test could be used to confirm the presence of HIV?, MRI, PCR, ELISA, Widal test

MARKS App · Accepted Answer

Polymerase chain reaction (PCR) is a process to amplify nucleic acid sequences. PCR technique can be used to detect the presence of HIV genetic material (RNA) in the blood sample even before the onset of antibodies development in the infected person. PCR is like a confirmatory test for HIV diagnosis.

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