Table 2.

Demographic information and basic clinical features of the cases.

Characteristics	N (%)
Gender
Male	114 (57.3)
Female	85 (42.7)
Age
<2 years old	65 (32.7)
2–5 years old	74 (37.2)
≥5 years old	60 (30.1)
Symptoms
Fever	77 (38.7)
Cough	197 (99.0)
Vomiting or diarrhea	13 (6.5)
Wheezing	57 (28.6)
Rales	136 (68.3)