Uvavanyo lwe-SARS-CoV-2 Antigen lwenzelwe ukuba kufunyaniswe umgangatho we-protein ye-nucleacapsid antigen evela kwi-SARS-CoV-2 kwi-nasopharyngeal (NP) kunye ne-nasal (NS) swab, kunye ne-saliva specimens ngokuthe ngqo ebantwini kwaye iluncedo ekuchongeni ngokukhawuleza abaguli abanosulelo lwe-SARS-CoV-2.