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Vaccine efficacy of some of the approved developments for emergency use.
| Developer | Vaccine name | Vaccine efficacy %, (95% CI) | Reference |
|---|---|---|---|
| Pfizer-BioNTech | BNT162b2 | 95(90.3 –97.6 ) | [46] |
| Gamaleya Institute | Sputnik V | 91.6(85.6 –95.2 ) | [44] |
| Oxford University-AztraZeneca | AZD1222 | 74.6(41.6 -88.9 ) | [10] |
| Johnson & Johnsona | Ad26.COV2.S | 57 %, 66 % or 72 % | [4] |
| Sinovac Biotecha | CoronaVac | 50.4 % | [42] |
No available information about the confidence intervals.
