COVID-19(51) SARS-CoV-2(21) Patient(15) Inflammation(14) SARS-COV-2 infection(12) Inflammatory(10) circulating(10) Evidence(10) Result(9) Infection(9) addition(9) Protein(8) Research(8) subject(8) serum(8) Analysis(8) disease severity(7) outcomes(7) Prevent(7) Anti-inflammatory(7) groups(7) Inflammatory marker(7) Predictive(7) severity of COVID-19(7) decrease(7) Perspective(7) subset(7) objective(7) Quantitative(7) Cell(7)