Objective To investigate immune response of the DNA vaccine encoding receptor-binding domain of SARS-coronavirus (SARS-CoV) and its immune effects for exploring the immune mechanisms of SARS-CoV and developing vaccines.

• 目的研究SARS冠状病毒(SARS-CoV)靶细胞受体结合区所构建之DNA疫苗的免疫效果,为进一步的SARS-CoV免疫机理研究及疫苗研制奠定基础。