Table 1: Main characteristics of the 6 heart transplant patients with COVID-19 Patient 1 Patient 2 Patient 3 Patient 4 Patient 5 Patient 6 Demographics  Age (years) 69 82 65 71 62 50  Gender Male Male Male Male Male Female  Time from heart transplant (years) 5 16 11 1 22 13  Risk factors   BMI (kg/m2) 22.4 23.6 24.5 25.3 32.6 21.5   Arterial hypertension − + + + + +   Dyslipidaemia − + + − + −   Diabetes mellitus − − − − − −   Former smoker + − − − − −   Extracardiac arteriopathy − − − − − −   COPD − − − − − −   Stroke − − − − − −   Malignancy − − + − − +   GFR (ml/min) 80 40 71 82 48 85   Previous PCI − + − − − −   NYHA class I II I I I I  Immunosuppressive therapy (mg/day)   Cyclosporine 120 120 160 200 135 70   Mycophenolate 1440 − 1440 1440 1440 −   Everolimus − − − − − 2 COVID-19 onset  Presenting symptoms   Cough + + + + + +   Shortness of breath + + + + + +   Myalgia − + + + + +   Anosmia − − + + + +   Headache − − − − + +   Sinusitis − − − − − +   Gastrointestinal symptoms − − − − + +  NPS test + + + + + +  X-ray pneumonia signs + + + + −  Fever peak (°C) 38.0 38.6 38.0 39.5 38.5 39.2  Hospitalization + + + + + −  SpO2 at admission (%) 91 85 97 78 85  Worst SpO2 during hospitalization (%) 88 75 88 75 65  Laboratory results at admission   WBC count (cells per 109/l) 10.00 9.24 4.00 7.50 5.90   Hb (g/dl) 10.0 13.5 12.0 13.7 13.5   Platelets (cells per 109/l) 400 113 215 301 151   Lymphocyte (cells per 109/l) 0.35 0.32 0.55 0.90 0.20   CRP (mg/dl) 157 140 3.3 72 29   PCT (ng/ml) 0.26 0.09 0 0   Serum creatinine (mg/dl) 1.29 2.1 1.79 1.3 2   Troponin I (ng/dl) 34 8 18 24  LVEF (%) 55 45 70 55 50 Treatment and outcomes  Hydroxychloroquine + + + + + −  Lopinavir/ritonavir + − − − + −  Corticosteroid therapy + + + + + −  Modification of immunosuppressive therapya + + + + + −   % Reduction of cyclosporine 40 100 60 50 40 0   % Reduction of mycophenolate 75 0 0 50 50 0  Antibiotics prophylaxis + + + + + +  ICU stay + − − − +   ICU length of stay 18 − − − 2  High flow O2 − + − + +  NIV − + − + +  Intubation + − − − −  Complications   Respiratory − ARDS − − −   Neurological Ischaemic stroke − − − −   Infective Sepsis − − − −  In-hospital length of stay 24 10 13 27 24  Days to negative NPS testb 10 7 15 14c  Pronation − − − + +  Discharged − − + + +  Dead + + − − − − a In-hospital percentage reduction from last follow-up dose of immunosuppressant. b Days from first positive NPS test to first seriate negative NPS test and clinical resolution of symptoms. c The patient has been asymptomatic since receiving the results of the first NPS test, which was repeated after 14 days, per government regulations. ARDS: acute respiratory distress syndrome; BMI: body mass index; CRP: C-reactive protein; COPD: chronic obstructive pulmonary disease; GFR: glomerular filtration rate; Hb: haemoglobin; ICU: intensive care unit; LVEF: left ventricular ejection fraction; NIV: non-invasive ventilation; NPS: naso-pharyngeal swab test; NYHA: New York heart association; PCI: percutaneous coronary intervention; PCT: procalcitonin; SpO2: oxygen saturation; WBC: white blood cells.