Table 3.
Distribution of the severity of the reported symptoms according to all the answered symptom questionnaires (n=889) in weeks 1-12.
| Symptom | Grade 0, % | Grade 1, % | Grade 2, % | Grades 3-4, % |
| Blood in stool | 100 | 0 | 0 | 0 |
| Blurred vision | 96 | 0 | 4 | 0 |
| Chest pain | 94 | 4 | 1 | 1 |
| Cough | 74 | 12 | 9 | 6 |
| Diarrhea | 96 | 3 | 1 | 0 |
| Dizziness | 92 | 6 | 2 | 0 |
| Fatigue | 60 | 28 | 11 | 1 |
| Fever | 95 | 5 | 0 | 0 |
| Headache | 87 | 10 | 2 | 0 |
| Hematuria | 100 | 0 | 0 | 0 |
| Itching | 83 | 13 | 4 | 1 |
| Loss of appetite | 79 | 5 | 12 | 4 |
| Nausea | 94 | 5 | 12 | 4 |
| Pain in joints | 81 | 12 | 6 | 2 |
| Rash | 88 | 9 | 1 | 1 |
| Shortness of breath | 83 | 8 | 7 | 2 |
| Stomach pain | 94 | 3 | 2 | 1 |
| Vomiting | 98 | 2 | 0 | 0 |