Cryopreservation of Unrelated Donor Hematopoietic Stem Cells: The Right Answer for Transplantations during the COVID-19 Pandemic?

Investigators compared 32 patients who underwent unrelated donor (UD) hematopoietic stem cell transplantation (HSCT) using cryopreserved peripheral blood stem cells (PBSC) during the COVID-19 pandemic with 32 patients who underwent UD HSCT using fresh PBSC in the previous period.