* A solid phase enzyme linked immunoabsorbent assay for the qualitative detection of HIV-1 P24 antigen, anti-HIV-1 including subtype O and anti-HIV-2 antibodies (including isotype IgG, IgM and IgA) in human serum or plasma. * Compatible with all common ELISA reader * Specimen : Serum or plasma * Sensitivity :99.5% * Specificity : 99.5% * 12 months at 2-8℃