[\'Department of Biomedical Sciences, College of Medicine, Microbiology and Immunology and Liver Research Institute, Seoul National University, Seoul, South Korea.\']
A Novel DNA Vaccine Against SARS-CoV-2 Encoding a Chimeric Protein of Its Receptor-Binding Domain (RBD) Fused to the Amino-Terminal Region of Hepatitis B Virus preS1 With a W4P Mutation.