| N | (%) |
Asthenia | 15 | 4.0 |
Fever | 43 | 66.1 |
Cough | 53 | 81.5 |
Rhinorrhea | 44 | 67.6 |
Expectoration | 7 | 10.7 |
Sneeze | 2 | 3.0 |
Difficulties feeding | 17 | 26.1 |