label: Semiquantitative detection of severe acute respiratory syndrome coronavirus (SARS-CoV, SARS-CoV-2 [COVID-19]) and influenza virus types A and B antigen by enzyme immunoassay (EI)
label_lc: semiquantitative detection of severe acute respiratory syndrome coronavirus (sars-cov, sars-cov-2 [covid-19]) and influenza virus types a and b antigen by enzyme immunoassay (ei)