Enzyme-Linked Immunosorbent Assay (ELISA)

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Synonym(s)
Enzyme Immunoassay

A laboratory test to detect the presence of HIV antibodies in the blood or oral fluid. The immune system responds to HIV infection by producing HIV antibodies. A positive result on an enzyme-linked immunosorbent assay (ELISA) must be confirmed by a second test for a person to receive a definitive diagnosis of HIV.

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