Per Ljungman, MD, PhD, Karolinska Institute, Stockholm, Sweden, outlines the impact of the COVID-19 pandemic on stem cell transplantation and cellular therapies in Europe over the last year and reports COVID-19 related mortality in patients undergoing stem cell transplantation and treated with CAR T-cell therapies. Prof. Ljungman highlights risk factors associated with COVID-19 mortality in this patient population, including age, poor performance status, and time from transplant. This interview took place during the Transplantation & Cellular Therapy (TCT) 2021 Meetings.