COVID-19(15) SARS-CoV-2(11) Patient(9) Acute kidney injury(7) Infection(6) pandemic(6) therapy(6) outcome(6) kidney(6) diagnosed(6) cause(5) receiving(5) complement(5) reduction in(5) Mortality(5) Outbreaks(5) outbreak(5) Activation(5) patients(5) Haemodialysis(5) dialysis(5) measure(5) patients with COVID-19(5) antibodies(5) implementation(5) Antibody Response(5) Coronavirus disease 2019(5) disease(4) highlight(4) Kidney injury(4)