ELISA TEST is the test to identify whether the particular

person is affected by HIV virus or not.

ELISA means Enzyme Linked Immuno Sorbent Assay

In this test person's blood is tested by introducing HIV

antibodies. If blood clots within 30 seconds then the

person is said to be HIV positive otherwise hiv negative.

PCR test is the test to identify the aminoacid sequence in

a polypeptide chain of a specific protein.

PCR means Polymerase Chain Reaction.