Izi zidapangidwa kuti ziwonetsere kuti mu vitro qualitative kuzindikira kwa novel coronavirus (SARS- CoV-2) mu zitsanzo za nasopharyngeal ndi oropharyngeal swab.RNA yochokera ku SARS-CoV-2 nthawi zambiri imadziwika m'zitsanzo zakupuma panthawi yovuta ya matenda kapena anthu asymptomatic.Itha kugwiritsidwa ntchito pozindikira bwino komanso kusiyanitsa kwa Alpha, Beta, Gamma, Delta ndi Omicron.