[Construction of reference panel of immune serum against hepatitis C virus with standard level of IgG antibodies].

A panel of anti-HCV sera (lot 03HC) was prepared from human sera obtained at blood transfusion centers and infectious hospitals. Donor sera and high-titer sera from patients infected with HCV were used. For positive samples, specific sera reactive with the core and/or NS proteins of HCV 1b and 2 were selected.