Patient(8) COVID-19(7) Infection(6) patients(6) Transplant(5) recipient(5) Factor(5) SARS-COV-2 infection(5) Follow-up(4) age(4) required(4) management(4) kidney(4) Hospital stay(3) female gender(3) transplants(3) raised(3) Gender(3) symptomatic(3) Protective(3) overall mortality(3) renal(3) enrolled(3) Comorbidities(3) Characteristics(3) incidence(3) outcome(3) immunosuppressive therapies(3) Graft(3) measure(3)