Department of Microorganism Engineering Institute of Biotechnology 100071;
Medical Innovation Research Division&Fourth Medical Center of the Chinese PLA General Hospital 100853;
Department of Neurosurgery Medical Center of the Chinese PLA General Hospital 100853;
Shenzhen Taihe Biotechnology Co.Ltd. 518001;
Institute of Physical Science and Information Technology University 230000;
CORONAVIRUS; SARS-CoV-2; VACCINE; Yeast; Receptor-binding domain(RBD);