Review
Copyright ©The Author(s) 2021.
World J Clin Cases. Jan 6, 2021; 9(1): 8-23
Published online Jan 6, 2021. doi: 10.12998/wjcc.v9.i1.8
Table 3 Major COVID-19 vaccines in the pipeline
Vaccines types
Candidate vaccine
Whole virus vaccinesAdenovirus-vectored vaccine
Live-attenuated vaccine
Nucleic acid vaccinesmRNA vaccine
DNA vaccine
Subunit vaccinesOral recombinant protein vaccine
Coronavirus RBD protein-based vaccine
Protein-based vaccine
S-trimer recombinant protein