Human Coronaviruses HCoV-NL63 and HCoV-HKU1 in Hospitalized Children with Acute Respiratory Infections in Beijing, China

Table 1

HCoV-NL63 and HCoV-HKU1 detection in 382 children with acute respiratory infections in Beijing, China, May 2008 to March 2010. Age, gender, and clinical details are listed for those positive for either virus.

Parameter	No. events detected in 382 children
	tested (%)
	NL63 (𝑛=32)	HKU1 (𝑛=57)
Age (months)
≤12	21 (65.63)	44 (77.19)
12–35	10 (31.25)	13 (22.81)
36–93	1 (3.13)	0
Gender
Male	21 (65.63)	43 (75.4)
Female	11 (34.37)	14 (24.6)
Clinical symptoms
Cough	31 (96.89)	56 (98.25)
Fever	24 (75.00)	36 (63.16)
Rhinorrhea	9 (28.13)	18 (31.58)
Expectoration	8 (25.00)	31 (54.39)
Dyspnea	4 (12.50)	8 (14.04)
Nasal obstruction	2 (6.25)	9 (15.79)
Sore throat	3 (9.38)	2 (3.51)
Wheeze	0	2 (3.51)
Admitting diagnosis
Bronchopneumonia	10 (31.25)	18 (31.58)
Pneumonia	16 (50.00)	29 (50.88)
Bronchitis	4 (12.50)	5 (8.77)
Peribronchitis	1 (3.13)	3 (5.26)
Uncertainty	1 (3.13)	2 (3.51)