SARS-CoV-2(250) COVID-19(220) Patient(84) positive(64) Infection(55) diagnostic(55) SARS-CoV-2.(52) RT-PCR(51) antibody(50) tested(47) collected(46) sensitivity(44) Diagnosis(42) vaccination(42) coronavirus(40) pandemic(39) detect(38) Antigen(36) specificity(35) individual(35) immunoassay(34) Rapid(34) serology(29) 95% CI(29) Mutation(28) less(27) Nasopharyngeal swab(27) variants(27) IgG(26) molecular(26)