COVID-19(28) SARS-CoV-2(22) antibody(12) addition(11) SARS-COV-2 infection(10) coronavirus disease(10) the disease(10) Patient(9) Infection(9) Laboratory(7) Analysis(7) Treatment(7) syndrome(7) provide(6) virus(6) pandemic(6) COVID-19 patients(6) Biomarkers(6) outcome(6) Clinical deterioration(6) Health(5) patients with COVID-19(5) Efficacy(5) SARS-CoV-2 antibody(5) Mortality(5) COVID-19 pandemic(5) inflammatory markers(5) risk factor(5) acute respiratory syndrome(5) Diagnosis(5)