7. Participant most recent HIV-1 RNA < 50 copies/mL (by any FDA-approved assay performed in CLIA-approved laboratory), in the 26 weeks prior to transplant. Participants unable to tolerate ART due to organ failure or who have only recently started ART may have detectable viral load and still be considered eligible if the study team is confident there will be a safe, tolerable, and effective antiretroviral regimen once organ function is restored after transplantation.