COVID-19, Vaccine, Receptor Binding Domain, SARS-CoV-2, Spike protein, Protein subunit
COVID-19, Vaccine, Receptor binding domain, SARS-CoV-2, Spike protein, Protein subunit
SARS-CoV-2, Vaccine, standardization, global, ELISA, Neutralization assays, ELISpot assays, protection from disease
Infectious disease, COVID-19, Antibody response