The AccuSet HTLV I/II Mixed Titer Performance Panel is a 21-member panel; 1.2mL fill per vial of undiluted, naturally occurring plasma samples. Panel members represent bleeds from multiple individuals positive for HTLV. Each sample represents a single collection event. No preservatives were added.Test results from commercially-available HTLV antibody assays from manufacturers such as Abbott, Avioq, DiaSorin, and MP Diagnostics are included for characterization of the panel members. This panel of human plasma samples demonstrates reactivity ranging from negative to high positive for HTLV I and HTLV II antibodies. One sample is included as a non-reactive sample and is negative using all HTLV antibody test methods performed. For Research Use Only. Not for use in diagnostic procedures.