Table 3: Approved vaccine by platform, number of trials, and number of countries.

Company/Organization

Name of Vaccine

Platform

# Of Trials

Approval in # of countries

Pfizer/BioNTech

Comirnaty

RNA

87

146

Oxford/AstraZeneca

Vaxzevria

NRVV

69

141

Moderna

Spikevax

RNA

68

87

Janssen (Johnson & Johnson)

Ad26.CoV2.S

NRVV

24

111

Novavax

Nuvaxovid

Protein Subunit

39

20

Serum Institu of India

(Oxford/Astra Zeneca Formulation)

Covishield

NRVV

4

49

Sinopharm (Beijing)

Covilo

Inactivated

37

91

Sinovac

Cornoavac

Inactivated

40

56

Valneva

VLA2001

Inactivated

6

33

Gamaleya

Sputnik Light

NRVV

26

7

Gamaleya

Sputnik V

NRVV

74

25

Bharat Biotech

Covaxin

Inactivated

14

14

Medicago

Covafin

VLP

6

1

NRVV: Non-Replicating Viral Vector; VLP: Virus-like Particle. For further information one can refer to the vaccine tracker [77].