SARS coronavirus+SARS coronavirus 2 Ag:PrThr:Pt:XXX:Ord
sars coronavirus+sars coronavirus 2 ag:prthr:pt:xxx:ord
SARS-CoV+SARS-CoV-2 (COVID-19) Ag [Presence] in Specimen
sars-cov+sars-cov-2 (covid-19) ag [presence] in specimen