Table 2. List of symptoms at illness onset of 64 laboratory-confirmed cases of human infection with avian influenza A(H5N6) virus, China*.

Symptoms at illness onset	No. (%)
Fever (>38°C)	47 (73.4)
Cough	38 (59.4)
Sputum	15 (23.4)
Fatigue	15 (23.4)
Dizziness	14 (21.9)
Chills	14 (21.9)
Headache	13 (20.3)
Shortness of breath	9 (14.1)
Muscle soreness	7 (10.9)
Sore throat	6 (12.2)
Nasal congestion	6 (9.4)
Coryza	5 (7.8)
Vomiting	4 (6.3)
Chest pain	2 (3.1)

*Information for 1 case was not available.