SARS-CoV-2(98) COVID-19(88) positive(35) IgG(33) sensitivity(33) collected(32) antibody(31) specimen(31) respiratory(31) evaluated(31) platform(30) detect(29) Patient(29) Roche(25) coronavirus(24) detection(24) acute respiratory syndrome(24) tested(22) serology(21) specificity(21) assays(21) acute respiratory syndrome coronavirus(20) Laboratory(20) individual(20) correlation(19) coronavirus disease(19) Infection(18) Abbott(18) Antigen(18) were used(18)