COVID-19(9) SARS-CoV-2(6) sugar(4) addition(4) chitosan(4) Result(4) SARS-COV-2 infection(4) coronavirus(4) Infection(3) thrombosis(2) information(2) Lateral flow assay (LFA)(2) acute respiratory syndrome coronavirus 2(2) severe acute respiratory syndrome Coronavirus(2) ORF1ab(2) Comprehensive(2) Viral(2) backbone(2) Bio-recognition event(2) respiratory(2) Caulerpa(2) was used(2) Evidence(2) anticoagulant agent(2) antiviral activities(2) Xyl(2) polysaccharide(2) nucleic acid(2) biochemical(2) therapy(2)