D'Hérelle, oo si rasmi ah wali ah kaaliye aan mushahar lahayn, wuxuu is arkay isagoo aan laheyn shaybaar; d'Hérelle ayaa markii dambe sheegtay in tani ay ka dhalatay muran uu la yeeshay kaaliyaha agaasimaha Machadka Pasteur, Albert Calmette. Biologist Edouard Pozerski ayaa naxariistay d'Herelle oo wuxuu u dejiyey kursi (macno ahaan) shaybaarkiisa. 1921, wuxuu ku guuleystay inuu daabaco monograph, The Bacteriophage: Its Role in Immunity oo ku saabsan shaqadiisa sida daabacaadda rasmiga ah ee Machadka, isagoo khiyaameeyay Calmette.
Sanadkii 1920