The Dengue NS1 Ag FIA Test is a fluorescence immunoassay that is used with the FIAflex™ Fluorescent Immunoassay Analyzer for the qualitative detection of Dengue virus NS1 antigen of all four serotypes (DEN-1, DEN-2, DEN-3 and DEN-4) in human serum, plasma or venous whole blood specimens. 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.