COVID-19(13) IL-6(10) expression(9) TNF-α(8) mechanism(8) association(8) IL-1β(8) SARS-CoV-2(7) Patient(7) Abstract(7) Support(7) decrease(6) pathway(6) enrolled(6) CD8(6) induce(6) Vaccines(6) COVID-19 patients(6) Infection(6) cytokine(6) coronavirus disease(6) coronavirus(6) Inflammatory response(6) CD4(6) membrane(6) Immune cell(6) management(5) investigated(5) Factor(5) addition(5)