The ONE STEP Dengue IgG/IgM – NS1 Combo Test (Colloidal Gold) is a lateral flow immunoassay for the simultaneous detection and differentiation of anti-Dengue IgG , anti-Dengue IgM and Dengue NS1 antigen (DEN1, 2, 3, 4) in human serum, plasma or whole blood. It is intended to be used by professionals as a screening test and provides a preliminary test result to aid in the diagnosis of infection with Dengue virus.