From: Spectrum of false positivity for the fourth generation human immunodeficiency virus diagnostic tests
 | Abbott p24 antigen/antibody | MultiSpot HIV-1/HIV-2 differentiation | HIV proviral DNA | HIV RNA viral load | Alternative diagnosis/mechanism of false positivity | Other explanatory studies/reports |
---|---|---|---|---|---|---|
Case 1 | Positive | Non-reactive | Not done | Negative | EBV infection and reactive lymphocytosis | |
Case 2 patient | Positive | Reactive to HIV-1 | Negative | Negative | Metastatic cancer | [18] |
Case 2 exposed health care provider | Positive | Reactive to HIV-1 | Negative | Negative | Healthy/query poor specificity of individual test kit | [16] |
Case 2 exposed health care provider (6Â month follow up) | Negative | Â | Negative | Negative | Â | Â |