Viral Aetiology in Adults with Acute Upper Respiratory Tract Infection in Jinan, Northern China

Table 2

Spectrum of respiratory virus infections according to age groups.

	14–25 years	26–65 years	≥66 years	Total
Patients number	266	303	27	596
Total positives (number/%)	114/42.86	111/36.63	6/22.22	231/38.76
Single infections (number/%)	94/35.33	103/33.99	6/22.22	203/34.06
Multiplex infections (number/%)	20/7.52	8/2.64	0	28/4.70
IFV	62/23.31	60/19.80	2/7.41	124/20.81
IFVA	22/8.27	22/7026	2/7.41	46/7.72
IFVB	38/14.26	37/12.21	0	75/12.58
IFVC	2/0.75	1/0.33	0	3/0.50
HBoV	27/10.15	21/6.93	1/3.70	49/8.22
HRV	18/6.77	11/3.63	1/3.70	30/5.03
EV	13/4.88	9/2.97	0/0	22/3.69
RSV	7/2.63	6/1.98	2/7.41	15/2.52
PIV	1/0.38	4/1.32	0	5/0.84
HMPV	0	5/1.65	0	5/0.84
ADV	4/1.50	1/0.33	0	5/0.84
HCoV	2/0.75	2/0.66	0	4/0.67

IFV: influenza virus; HBoV: human bocavirus; HRV: human rhinovirus; EV: enterovirus; RSV: respiratory syncytial virus; PIV: parainfluenza virus; HMPV: human metapneumovirus; ADV: adenovirus; HCoV: human coronavirus.