De fleste patienter havde primærsygdomme (malign hæmatologisk sygdom [N = 24], allogen knoglemarvstransplantation eller stamcelletransplantation [N = 18], organtransplantation [N = 8], solid tumor [N = 3], eller andre tilstande [N = 10]).
Most patients had underlying conditions (haematologic malignancy [N = 24], allogeneic bone marrow transplant or stem cell transplant [N = 18], organ transplant [N = 8], solid tumour [N = 3], or other conditions [N = 10]).