RNA replicon-based vaccine, which is constructed by the viral RNA that can replicate by itself, is a newly springing up vaccine.

• 最近兴起的RNA复制子疫苗,利用源自病毒的能够自主复制的RNA,其结构蛋白基因由外源抗原基因取代,保留了非结构蛋白(RNA复制酶)基因。