随着人们对病毒生活周期、分子生物学及其与疾病发生发展关系的深入认识,病毒载体逐渐成为科学研究的焦点和热点。病毒载体作为一种基因导入系统,在疫苗和基因治疗中发挥极其重要的作用,一些以病毒作为载体的疫苗和基因治疗药物已进入临床研究阶段,并取得了很大的进展。本文拟? With the deep understanding of the virus life cycle, molecular biology and its relationship with the occurrence and development of the disease, the viral vector has gradually become the focus and hot point of scientific research. As a gene introduction system, viral vector plays an extremely important role in vaccine and gene therapy. Some virus-based vaccines and gene therapy drugs have entered the clinical research stage and great progress has been made. This article intended?