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BACKGROUND: At most blood centers in the United States routine testing of donations for Trypanosoma cruzi using an enzyme‐linked immunosorbent assay (ELISA) is followed by supplemental testing by radioimmunoprecipitation assay (RIPA). The objective of this study was to report the results of routine testing and risk factor data from allogeneic blood donors.
STUDY DESIGN AND METHODS:T. cruzi testing...