CD4 and Opportunistic infection: The current selection criteria can vary among different transplant centres, though they generally include a minimum CD4+ T-cell count of 100 cells/mm3, stable antiretroviral regimen (when feasible), suppressed or expected suppression of HIV RNA (based on medication and HIV RNA history and antiretroviral resistance test results), no active opportunistic infections or cancers, and no history of visceral Kaposi’s sarcoma, chronic cryptosporidiosis, primary central nervous system lymphoma, drug-resistant fungal infections, or progressive multifocal leukoencephalopathy [8,56,57].