SARS-CoV-2(117) COVID-19(97) detection(62) diagnostic(56) point-of-care(51) antibody(48) demonstrated(35) sensitivity(35) Diagnosis(35) Spike protein(33) Rapid(33) detect(32) lateral flow(30) ELISA(26) Protein(26) Antigen(25) gold standard(24) Viral(23) pandemic(23) Pandemics(22) POC(22) Device(22) approach(21) polymerase chain(21) serum(21) COVID-19 pandemic(21) membrane(21) Quantitative(21) the spike protein(21) limit of detection(21)