mechanism of action(3) Alpha-2-macroglobulin(3) Major(3) coronavirus disease(3) iron(3) participant(3) therapeutic(3) proteinase(3) macroglobulin(3) circulation(3) changes in(3) early stage(3) molecular docking(3) zinc.(3) Boron clusters(3) in some(3) infected individuals(3) Pathogenesis(3) Novel coronavirus(3) zinc supplementation(3) upper reference limit(3) Prognostic marker(3) healthy(3) copper(3) Ion(3) 2019(3) H1N1 virus(3) defense mechanisms(3) Immunoblot analysis(3) Zinc(3)