Ama-swab engcono ngenqanawe yesiphenjisi esikhunjweni sihlola ngaphandle kwesihlahla kwi-indawo yokusindiswa, njenge-swab engcono enenqanawe yesiphenjisi esikhunjweni esetshenziswa ngokuphambili lokuhlukelela nokuthatha amasilayiso ngokuncane nokuthi kufanele. Ukudibanisa kwezi zinto zizohlola ukuthi zikhululeke kuziphathelane nokuthi khona umphathi okunzima futhi azifinyelela inkxaso yokugcina yezilungiselelo zokubheka. U-Jiangsu Changfeng Medical uzivumela izinhlobo ezinene kunye nezinyathelo eziphumaphi nokuthi bavume amaxesha abaningi abahlukene abazibhekisele abasebenzisa izilungiselelo zokusindiswa ngalokhu phakathi kwezilimi ezimbili.