Transplant(9) SARS-CoV-2(9) acute respiratory syndrome(7) Infection(7) pediatric(7) Immunosuppression(5) Patient(5) recipient(5) liver(5) European(4) children(4) disease(4) experience(4) Coronavirus-2(4) Inflammatory(4) tested(3) PCR(3) was obtained(3) Mild(3) solid organ transplant(3) recipients(3) Record(3) rejection(3) SARS-COV-2 infection(3) Cell(3) Spike protein(3) healthy(3) SOT(3) Blood(3) Negative PCR(3)