Musiyano pakati pekusashanda uye isina-inactivated kuchengetedza mhinduro:
Mushure mekunge sampuli dzehutachiona dzaunganidzwa, nekuda kwechikonzero chekuti PCR yekuona haigone kuitwa nenguva panzvimbo yekuunganidza sampuli, zvinodikanwa kutakura sampuli dzakaunganidzwa dzehutachiona.Hutachiona pachahwo hwaizopatsanuka mu vitro munguva pfupi uye huchikanganisa kucherechedzwa kunotevera.Naizvozvo, hutachiona hwekuchengetedza mhinduro inoda kuwedzerwa panguva yekuchengetwa kwayo uye yekufambisa.Mishonga yakasiyana-siyana yekuchengetedza hutachiona inoshandiswa kune zvakasiyana-siyana zvekuonekwa.Parizvino, inonyanya kukamurwa kuva inactivated type uye isina-inactivated type.Kuti usangane nezvinodiwa zvekuonekwa zvakasiyana uye mamiriro akasiyana ekuona hutachiona hwerabhoritari, zvinodikanwa kushandisa nzira dzakasiyana dzekuchengetedza.