Abbreviations
B-ALL Precursor B-cell acute lymphoblastic leukemia
CAR-T Chimeric Antigen Receptor T-Cell
COVID-19 Coronavirus disease 2019
CT Computerized tomography
HCoV Human coronavirus
HLH Hemophagocytic lymphohistiocytosis
ICU Intensive Care Unit
PICU Pediatric Intensive Care Unit
GVHD Graft-versus-host disease
MAS Macrophage activation syndrome
NR Normal range
PHO Pediatric hemato-oncology
RETI-SEHOP Registro Español de Tumores Infantiles- Sociedad Española de Hematología y Oncología
RT-PCR Reverse transcription polymerase chain reaction
SARS-CoV-2 Severe acute respiratory syndrome coronavirus 2
SCT Stem-cell transplantation
SEHOP Sociedad Española de Hematología y Oncologia
ECMO ExtraCorporeal Membrane Oxygenation