| Study ID | Study follow‐up (months) | Ad26.COV2.S (n) | Placebo (n) | Important outcomes | ||
| GMT of specific antibody against 2019 novel coronavirus | GMT of neutralizing antibody against 2019 novel coronavirus | Local reactogenicity events | ||||
|
Sadoff 2021a (NCT04436276) |
2.33 | 324 | 164 | * | ✓ | * |
| Sadoff 2021b (NCT04505722) | 1.84 (median) | 22,174 | 22,151 | X | X | ✓ |
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