RecruitingClinical Performance Evaluation of MagIA IVD-MD Multiplex Testing (HIV/HBV/HCV/Syphilis)Performance study to evaluate the clinical performance of the In-Vitro Diagnostics Medical Device MagIA H3S (a Multiplex Point-of-Care test for the combined detection of Human Immunodeficiency Virus (HIV), Hepatitis B and C and Syphilis) from serum, plasma samples collected prospectively or retrospectively in Ivory Coast and Kenya.