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