Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Passage: A lokacin, babu wanda, har ma da d'Hérelle, ya san ainihin abin da phage yake. D'Hérelle ya yi iƙirarin cewa kwayar halitta ce da ke haifuwa, ta wata hanya tana cin ƙwayoyin cuta. Wasu kuma, wanda ya lashe lambar yabo ta Nobel Jules Bordet, ya yi ka'idar cewa ƙwayoyin cuta sunadarai ne marasa rai, musamman enzymes, waɗanda suka riga sun kasance a cikin ƙwayoyin cuta, kuma kawai suna haifar da sakin irin waɗannan sunadarai, suna kashe ƙwayoyin cuta a cikin tsari. Saboda wannan rashin tabbas, kuma d'Herelle yana amfani da phages ba tare da wata shakka ba a kan mutane, aikinsa ya kasance yana fuskantar hare-hare daga sauran masana kimiyya. Ba har sai an lura da phage na farko a ƙarƙashin microscope na lantarki ta Helmut Ruska a 1939 cewa an kafa ainihin yanayin.  Tambaya: Mene ne dalilin da ya sa abokan aikin D'Herelle ba su yi la'akari da shi ba?
yin amfani da phages ba tare da yin shakka ba a kan mutane