Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  A tsakiyar shekara ta 1970, Harvey J. Alter, Shugaban Sashen Cututtuka na Ƙwayoyin cuta a Sashen Kula da Jinya a Cibiyar Kula da Kiwon Lafiya ta Ƙasa, da ƙungiyarsa ta bincike sun nuna yadda yawancin cututtuka na ciwon hanta da ake samu bayan an yi wa mutum ƙarin jini ba cutar hepatitis A ko B ba ne. Duk da wannan binciken, kokarin bincike na kasa da kasa don gano kwayar cutar, da farko ana kiranta non-A, non-B hepatitis (NANBH), ya gaza a cikin shekaru goma masu zuwa. A cikin 1987, Michael Houghton, Qui-Lim Choo, da George Kuo a Kamfanin Chiron, suna haɗin gwiwa tare da Daniel W. Bradley a Cibiyoyin Kula da Cututtuka da Cututtuka, sun yi amfani da sabon tsarin kwayar halittar kwayoyin halitta don gano kwayoyin da ba a sani ba da kuma samar da gwajin bincike. A cikin 1988, Alter ya tabbatar da kwayar cutar ta hanyar tabbatar da kasancewarta a cikin kwamitin NANBH. A watan Afrilu na shekara ta 1989, an buga labarin gano HCV a talifofi biyu a mujallar nan Science. Binciken ya haifar da ci gaba mai mahimmanci a cikin ganewar asali da ingantaccen maganin antiviral. A shekara ta 2000, an ba wa Drs. Alter da Houghton lambar yabo ta Lasker Award for Clinical Medical Research don "aikin farko da ya kai ga gano ƙwayoyin cuta da ke haddasa hepatitis C da kuma samar da hanyoyin bincike da suka rage haɗarin kamuwa da cutar hepatitis da ke tattare da ƙarin jini a Amirka daga kashi 30 cikin ɗari a shekara ta 1970 zuwa kusan babu a shekara ta 2000". An yi watsi da takaddama na takaddama ta CDC a 1990 bayan Chiron ya biya dala miliyan 1.9 ga CDC da $ 337,500 ga Bradley. A cikin 1994, Bradley ya kai karar Chiron, yana neman a soke haƙƙin mallaka, a haɗa shi a matsayin mai haɓaka, kuma ya sami diyya da kuɗin mallaka. Ya janye karar a 1998 bayan ya yi rashin nasara a gaban kotun daukaka kara.  Tambaya: A wace shekara ce aka yi amfani da gwajin ganewar asali a yin kwafi?
Shekarar 1987