COVID-19	Flu	Cold
Fever	发热	Common	Common	Rare
Dry Cough	干咳	Common	Common	Sometimes
Aches	痛	Common	Common	Sometimes
Chills	寒意	Common	Common	Rare
Fatigue	疲劳	Common	Common	Sometimes
Sore throat	咽喉痛	Sometimes	Sometimes	Common
Sneezing	打喷嚏	No	Sometimes	Common
Runny nose	流鼻涕	Rare	Sometimes	Common
Headache	头痛	Sometimes	Common	Rare
Diarrhea	腹泻	Sometimes	Sometimes	No
Vomiting	呕吐	Sometimes	Sometimes	No
Skin rash	皮疹	Rare	No	No
Inflamed toes	脚趾发炎	Rare	No	No
Loss of breath	呼吸困难	Common	Rare	No
Loss of smell	气味消失	Common	Rare	Rare
Loss of taste	味觉下降	Common	Rare	Rare