Ingestion of Exopolymers from Aureobasidium pullulans Reduces the Duration of Cold and Flu Symptoms: A Randomized, Placebo-Controlled Intervention Study

Table 2

Symptom level of illness, such as cold and flu.

Symptom level	Score	Symptom levels reported by the patients
No symptom	0	I did not perceive relevant symptoms
Mild	1	I perceived some symptoms, but they did not interfere with my daily life
Moderate	2	I perceived symptoms and felt discomfort in my daily life. I was able to take general pharmaceuticals without causing an issue in my daily life
Severe	3	My daily life was very uncomfortable due to symptoms, and proactive treatment was needed. In the case of severe discomfort, I may stop working or studying or be admitted to the hospital