| Study ID | Study follow‐up (months) | WIV04 (n) | Placebo (n) | Important outcomes | ||
| GMT of specific antibody against 2019 novel coronavirus | GMT of neutralizing antibody against 2019 novel coronavirus | Local reactogenicity events | ||||
| Al Kaabi 2021 (NCT04510207; ChiCTR2000034780) | 5 | 13,470 | 13,471 | * | ✓ | ✓ |
| Guo 2021 (ChiCTR2000031809) | 4.77 | 168 | 168 | * | ✓ | ✓ |
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