Multiple choice

Which among the following techniques is used for the detection of viral nucleic acids?

  1. ELISA

  2. Polymerase chain reaction (PCR)

  3. Western blot

  4. Viral isolation

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

In case of HIV infection, this test finds either the RNA of the HIV virus or the HIV DNA in white blood cells infected with the virus. The PCR test is very useful to find a very recent infection.