Table 5.
Local and systemic adverse events after Half dose in Viana population.
| Adverse Events | 1st dose (n = 6,102) | 2nd dose (n = 827) | 1st dose (%) | 2nd dose (%) |
|---|---|---|---|---|
| Overall | 4,913 | 420 | 80.5 | 50.8 |
| Local symptoms | 3,163 | 269 | 51.8 | 32.5 |
| Redness | 778 | 87 | 12.8 | 10.5 |
| Local edema | 2,137 | 177 | 35.0 | 21.4 |
| Local hardening | 2,092 | 171 | 34.0 | 20.7 |
| Hematoma | 365 | 41 | 5.9 | 4.9 |
| Local heat | 1,916 | 160 | 31.4 | 19.4 |
| Systemic symptoms | 4,510 | 315 | 73.9 | 38.1 |
| Itching | 706 | 60 | 11.6 | 7.3 |
| Fever | 1,865 | 67 | 30.6 | 8.1 |
| Chill | 2,960 | 115 | 48.5 | 13.9 |
| Nausea/vomiting | 935 | 42 | 15.3 | 5.1 |
| Malaise | 3,344 | 163 | 54.8 | 19.7 |
| Headache | 3,560 | 200 | 58.3 | 24.2 |
| Joint pain | 2,108 | 86 | 34.6 | 10.4 |
| Muscle pain | 3,016 | 156 | 49.4 | 18.9 |
| Fatigue (tiredness) | 1,983 | 107 | 32.5 | 12.9 |
Half dose, ChAdOx1 Half dose group.