AstraZeneca
Company: Oxford University
Type: Viral vector
Doses: 2
Effective: 62-90%
Approved Countries: 101
Pfizer
Company: BioNTech
Type: RNA
Doses: 2
Effective: 95%
Approved Countries: 85
Sputnik V
Company: Gamaleya
Type: Viral Vector
Doses: 2
Effective: 92%
Approved Countries: 68