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Timing of onset of side-effects after COVID-19 vaccines, days.
| Timing of onset of side-effects /days | Total No. (%) | |
|---|---|---|
| 1st dose | 2nd dose | |
| ≤ 24 hr | 328(49.6) | 223(42.2) |
| Day 1 | 211(31.9) | 239(45.3) |
| Day 2 | 86(13) | 46(8.7) |
| Day 3 | 33(5) | 14(2.7) |
| Day 4 | 1(0.2) | 2(0.4) |
| Day 5 | 1(0.2) | 4(0.8) |
| Day 9 | 1(0.2) | 0(0.0) |
| Total | 661 | 528 |
