Causes of False Positive HIV Test Results

At my lab we use Elecsys HIV Duo for HIV screening. The HIV Duo is a fourth-generation HIV test meaning that it detects both p24 antigen (Ag) and antibodies (Ab) to HIV, shortening the time of detection to 2-3 weeks after infection. The HIV Duo is an Electrochemiluminiscence Immuno Assay (ECLIA) : For HIV p24 Ag detection, two types of monoclonal antibodies are mixed with the blood sample. The…