“…The treatment of chronic HCV infection began with the administration of interferon (INF) mono therapy, and until a few years ago the recommended therapy available for HCV treatment was pegylated-interferon (PEG-IFN) alpha, plus ribavirin (RBV) with an administration of about 24 weeks (genotypes 2-3) or 48 weeks (genotype 1) (Reddy et al, 2001;Li et al, 2002;Inati et al, 2005;Ricchi et al, 2011;Aminizadeh et al, 2016;Risoluti et al, 2016aRisoluti et al, ,b, 2017Risoluti et al, , 2018Catauro et al, 2018). This treatment produced important side effects, such as irritation at the injection site, febrile influenza-like manifestations, mental disorders, thyropathy, neutropenia, and hemolytic anemia.…”