Companies leading the race of COVID-19 vaccine development Of the total 163 candidate vaccines
1
Phase 1/2 indicates phases 1 and 2 are combined to see results quickly with few participants
2 3
identified across the globe, 23 candidate vaccines are in clinical evaluation phase and remaining
4
140 candidate vaccines are in
5
preclinical evaluation
Phase 1/2
6
Phase 3 1
7 8
10
2 9
No candidate reached this stage yet
11
1 1
2
3 2
4 5
Phase 1
Phase 2 6
7
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Phase 4 Vaccine Approved Stage
8 Source: WHO