Vaccine News Daily | FDA approves test that detects HIV antibodies Vaccine News Daily The Alere Determine HIV-1/2 Ag/Ab Combo test is used to detect HIV-1 p24 antigen as well as antibodies to both HIV-1 and HIV-2 in human serum, plasma, venous and whole blood specimens. It is the first FDA-approved test that can distinguish between the ... FDA approves Alere Determine HIV-1/2 Ag/Ab Combo for detection of HIV ... FDA OKs First Rapid Test That Can Detect Acute HIV Newman Ferrarra LLP | DETECTING HIV-1 ANTIGENS |