Which of the following tests is used to verify the presence of antibodies against the HIV virus?

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The western blot test is used to verify the presence of antibodies against the HIV virus. It is a confirmatory test that is performed after a positive result in an initial screening test (such as the ELISA test) for HIV antibodies. The western blot test detects specific viral proteins that have been separated by electrophoresis and transferred to a membrane, which can then be visualized by adding labeled antibodies that bind to the viral proteins. The presence of these specific antibodies is an indication of past or current infection with HIV.

Which of the Following Tests Is Used to Verify the Presence