Umehluko phakathi kwesisombululo sokulondoloza esingacushiwe nesingacushiwe:
Ngemuva kokuthi amasampula egciwane eqoqwe, ngesizathu sokuthi ukutholwa kwe-PCR akukwazi ukwenziwa ngesikhathi endaweni yokuqoqwa kwesampula, kuyadingeka ukuthutha amasampula e-virus swab aqoqiwe.Igciwane ngokwalo lizohlukana ngokushesha futhi lithinte ukutholwa okulandelayo.Ngakho-ke, isixazululo sokulondoloza igciwane sidinga ukungezwa ngesikhathi sokugcinwa nokuthuthwa kwalo.Izixazululo ezihlukene zokulondoloza amagciwane zisetshenziselwa izinjongo ezihlukahlukene zokuthola.Okwamanje, ihlukaniswe kakhulu ngohlobo olungacushiwe kanye nohlobo olungacushiwe.Ukuze kuhlangatshezwane nezidingo ezihlukene zokutholwa kanye nezimo ezahlukene zaselabhorethri zokutholwa kwegciwane, kuyadingeka ukusebenzisa izixazululo ezihlukene zokulondoloza.