Mouse Anti-HCV Nonstructural Protein 5b Monoclonal antibody for WB, IF, ELISA, FC. Hepatitis C virus (HCV) is a small (55-65 nm in size), enveloped, positive sense single-stranded RNA virus in the family Flaviviridae and the principal cause of parenteral non-A, non-B hepatitis. The virus genome consists of a single open reading frame of