Fig. 1. Numbers of recipients and donors for stem cell transplantation before and after onset of COVID-19 (Mar. 2020) in Korea. *The data of current CB inventory are presented just until April because the donated cord bloods are registered on the national registry by “Cord Blood Act” in Korea, after 6 months of observation period for the health status of neonates. (These data are kindly provided by Korea Marrow Donor Program and Ministry of Health & Welfare of Korea). Abbreviations: BM, bone marrow; CB, cord blood; PB, mobilized peripheral blood stem cells; SCT, stem cell transplantation.