The Scrub Typhus IgG ELISA test for exposure to Orientia tsutsugamushi (OT; formerly Rickettsia) is an ELISA assay system for the detection of IgG antibodies in human plasma/serum to OT derived recombinant antigen (1-10). This test is to aid in the diagnosis of human exposure to OT species. It is not intended to screen blood or blood components, and is for research use only. Not for use in diagnostic procedures.