| Count | Percent | P-value |
Fever | 15 | 45.5% | 0.024* |
Cough | 13 | 39.4% | <0.001* |
Headache | 10 out of 12 | 80.3% | <0.001* |
Gastrointestinal symptoms | 9 | 27.3% | 0.038* |
Runny nose | 3 | 9.1% | 0.084 |
Sore throat | 2 | 6.1% | 0.095 |
Myalgia | 1 | 3.0% | 0.953 |