| Symptoms | Frequency | Pourcentage (%) |
| Dyspnea | 217 | 82.82 |
| Fever | 176 | 67.16 |
| Cough | 169 | 64.24 |
| Chest pain | 89 | 34.09 |
| Confusion | 57 | 21.84 |
| Polyarthralgias | 48 | 18.28 |
| Coma | 44 | 16.92 |
| Vomiting | 27 | 10.19 |
| Diarrhoea | 22 | 8.33 |
| Nasal discharge | 19 | 7.20 |
| Sore throat | 4 | 1.52 |