It is a new approach to study and produce HCV vaccine by using multi-epitope antigen of HCV. In this study, multi-epitope antigen gene, PCX, which consists of 5 epitopes of HCV and an epitope of T cell stimulation o f tetanus toxoid, was expressed in E.

• 利用HCV抗原多表位来研制HCV疫苗是目前的一个新方向。