one step Typhoid IgG/IgM Rapid Test Device (Serum/Plasma/Whole Blood) is intended to be used as a screening test and as an aid in the diagnosis of infection with S. typhi. Any reactive specimen with the Typhoid IgG/IgM Rapid Test Device (Serum/Plasma/Whole Blood) must be confirmed with alternative testing method(s).This test is for in-vitro diagnostic use only.