Table 4: List of 10 frontline vaccine candidates.
Vaccine Candidate |
Developer/Manufacturer |
Vaccine type and mode of action |
Outcome (if known any) |
Clinical trial phase |
References |
ChAdOx1/(COVID-19 vaccine AstraZeneca) |
University of Oxford/AstraZeneca |
Non-replicating chimpanzee adenovirus vector with SARS-CoV-2 spike proteins on its surface. |
· Immunogenicity response. · Authorized for use in the UK, India, Argentina, Mexico, Morocco, Dominican Republic and El Salvador. |
Phase 3 |
[111] |
Covaxin |
Bharat Biotech |
Inactivated whole-virion vaccine |
· SARS-CoV-2 specific antibody production. · Reduced viral load in nasal cavity, lungs. |
Phase 3 |
[112] |
Zycov-D |
Zydus Cadila |
Plasmid DNA vaccine targeted against viral membrane protein |
· Elevated neutralizing antibody in animal studies. · Safe and well-tolerated in Phase 1. |
Phase 2 |
[113] |
BNT162 (Comirnaty) |
Pfizer/BioNTech/Fosun Pharma |
4 LNP-encapsulated mRNAs. |
· Strong immune response. · Regulatory approval in the UK, Canada, Mexico, US, Bahrain, Chile, Singapore, Oman, Saudi Arabia, Kuwait. |
Phase 3 |
[114], [115] |
mRNA-1273 |
Moderna/NIAID |
LNP-encapsulated RNA vaccine |
· Immunogenic. · Authorized for use in US, Canada and Israel from January 2021. |
Phase 3 |
[116] |
CoronaVac |
Sinovac |
Formalin-inactivated and alum-adjuvant vaccine |
· Immunogenic. · Emergency use for high-risk patients in China. |
Phase 3 |
[112] |
NVX-CoV2373 |
Novavax |
Prefusion protein nanoparticle adjuvant with matrix M. |
· Immunogenic. |
Phase 3 |
[117] |
Sputnik V |
Gamaleya Research Institute |
Non-replicating Adeno-viral vector |
· Elevated humoral and cellular immune response. · Lack of clinical data. Received regulatory approval in Russia. |
Phase 3
|
[118] |
EpiVac Corona |
Federal Budgetary Research Institution State Research Center of Virology and Biotechnology |
Peptide vaccine |
· No clinical data available but received regulatory approval in Russia. |
Phase 1/2
|
[112] |
BCG |
University of Melbourne and Murdoch Children’s Research Institute; Radbound University Medical Center; Faust man Lab at Massachusetts General Hospital |
Live-attenuated vaccine |
· Strong humoral as well as cellular immune response. |
Phase 2/3 |
[119] [120] |