Waɗannan ƙwayoyin cuta suna kamuwa da ƙwayoyin cuta ta musamman ta hanyar haɗuwa da ƙwayoyin mai karɓa na farfajiyar sannan kuma shiga cikin tantanin halitta. A cikin ɗan gajeren lokaci, a wasu lokuta kawai mintuna, polymerase na ƙwayoyin cuta yana fara fassara kwayar cutar mRNA zuwa furotin. Waɗannan sunadarai suna ci gaba da zama ko dai sabbin virions a cikin tantanin halitta, sunadarai masu taimako, waɗanda ke taimakawa tara sabbin virions, ko sunadarai da ke cikin lysis cell. enzymes na ƙwayoyin cuta suna taimakawa cikin rushewar tantanin halitta, kuma a cikin yanayin T4 phage, a cikin mintuna sama da ashirin bayan sama da ƙwayoyin cuta sama da ɗari uku za a iya sake su ta hanyar ƙwayoyin cuta na kwayoyin cuta. Wannan yana ba da damar yin amfani da enzyme mai suna CRIS, wanda ke samar da rigakafin kwayoyin cuta a cikin ƙwayoyin cuta ta hanyar yin amfani da sinadarin kwayoyin cuta don hana haɗuwa da ƙwayoyin cuta.
ƙwayoyin cuta tare da rigakafi ga kamuwa da cuta