COVID-19(24) SARS-CoV-2(20) antibody(11) addition(11) the disease(10) SARS-COV-2 infection(10) coronavirus disease(10) Infection(9) Patient(9) Treatment(7) Laboratory(7) Analysis(7) syndrome(7) COVID-19 patients(6) provide(6) Clinical deterioration(6) Biomarkers(6) outcome(6) Mortality(5) risk factor(5) Health(5) COVID-19 pandemic(5) acute respiratory syndrome(5) pandemic(5) SARS-CoV-2 antibody(5) Efficacy(5) Diagnosis(5) patients with COVID-19(5) virus(5) biochemical(4)