HIV/AIDS Glossary

Antigen/Antibody Combination Test

A type of HIV test that can detect HIV-1 and HIV-2 antibodies and HIV-1 p24 antigen (a protein that forms the HIV core). Antigen/antibody combination tests can detect HIV earlier than tests that only detect HIV antibodies. The test is done using a sample of blood.

Related Term(s): Antibody, Antigen, HIV-1, HIV-2

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