Duk da wannan binciken, kokarin bincike na kasa da kasa don gano kwayar cutar, da farko da ake kira non-A, non-B hepatitis (NANBH), ya kasa a cikin shekaru goma masu zuwa. A 1987, Michael Houghton, Qui-Lim Choo, da George Kuo a Kamfanin Chiron, suna aiki tare da Daniel W. Bradley a Cibiyar Kula da Cututtuka da Cututtuka, sun yi amfani da sabon tsarin kwayar halitta don gano kwayoyin halitta da kuma gwajin gwaji. A shekara ta 1970, Alter ya tabbatar da kasancewar kwayar cutar a cikin NANBH. A watan Afrilu na shekara ta 1989, Alter ya wallafa binciken HCV a shekara ta 1994, wanda ya haifar da bincike da bincike da bincike da bincike da bincike da bincike da bincike da bincike da bincike. A shekara ta 1998, Bradley ya yi kira ga Cibiyar Kula da Cututtuka ta Amurka don gano cutar hepatitis A. A sakamakon binciken da aka yi a shekara ta 1990, da kuma binciken da aka yi a shekara ta 1998, wanda ya haifar da ci gaban da cutar hepatitis C. A sakamakon binciken da aka yi a shekara ta 1990, da kuma binciken da aka yi a shekara ta 1998, wanda ya haifar da ci gaba da cutar hepatitis C. A
Shekarar 1987