	Group	No symptom (Normal, Slight)	Symptom+ (Mild, Moderate, Severe)	Chi-square test p-value
Runny nose	Placebo	4051	147	0.005**
Runny nose	GK-1	3690	92	0.005**
Plugged nose	Placebo	4109	89	<0.001**
Plugged nose	GK-1	3748	34	<0.001**
Sneezing	Placebo	4108	90	0.169
Sneezing	GK-1	3717	65	0.169
Sore throat	Placebo	4164	34	0.858
Sore throat	GK-1	3750	32	0.858
Cough	Placebo	4141	57	0.040*
Cough	GK-1	3749	33	0.040*
Hoarseness	Placebo	4190	8	0.834
Hoarseness	GK-1	3774	8	0.834
General malaise	Placebo	3977	221	<0.001**
General malaise	GK-1	3711	71	<0.001**
Arthralgia	Placebo	4175	23	0.965
Arthralgia	GK-1	3761	21	0.965
Phlegm accumulation	Placebo	4173	25	<0.001**
Phlegm accumulation	GK-1	3705	77	<0.001**
Chill	Placebo	4172	26	0.931
Chill	GK-1	3758	24	0.931
Fever	Placebo	4194	4	0.016*
Fever	GK-1	3769	13	0.016*
Feverishness	Placebo	4184	14	0.008**
Feverishness	GK-1	3753	29	0.008**
Fatigue	Placebo	3562	636	<0.001**
Fatigue	GK-1	3498	284	<0.001**