Table 2.

Prevalence of respiratory pathogens signal detected in different age groups.

Result	≤16 years		16–49 years		≥50 years		Total
	No.	Prevalence (%, n = 114)	No.	Prevalence (%, n = 111)	No.	Prevalence (%, n = 45)	No.	Prevalence (%, n = 270)
Not detected	21	18.4	38	34.2	15	33.3	74	27.4
Rhino/Entero	6	5.3	7	6.3	4	8.9	17	6.3
RSV	8	7.0	7	6.3	2	4.4	17	6.3
AdV	1	0.9	1	0.9	0	0.0	2	0.7
hMPV	0	0.0	2	1.8	0	0.0	2	0.7
Flu B	2	1.8	2	1.8	2	4.4	6	2.2
FluA/H1	0	0.0	0	0.0	0	0.0	0	0.0
FluA/H3	16	14.0	22	19.8	12	26.7	50	18.5
FluA/2009 H1	8	7.0	7	6.3	0	0.0	15	5.6
Flu A unsubtyped	2	1.8	7	6.3	2	4.4	11	4.1
Flu A total	26	22.8	36	32.4	14	31.1	76	28.1
Cov 229E	0	0.0	1	0.9	2	4.4	3	1.1
Cov HKU1	0	0.0	1	0.9	0	0.0	1	0.4
Cov NL63	0	0.0	0	0.0	0	0.0	0	0.0
Cov OC43	0	0.0	0	0.0	0	0.0	0	0.0
Cov total	0	0.0	2	1.8	2	4.4	4	1.5
PIV1	2	1.8	0	0.0	0	0.0	2	0.7
PIV2	0	0.0	0	0.0	0	0.0	0	0.0
PIV3	3	2.6	0	0.0	1	2.2	4	1.5
PIV4	0	0.0	1	0.9	0	0.0	1	0.4
PIV total	5	4.4	1	0.9	1	2.2	7	2.6
C. pneumoniae	0	0.0	0	0.0	0	0.0	0	0.0
M. pneumoniae	6	5.3	3	2.7	2	4.4	11	4.1
B. pertussis	9	7.9	0	0.0	0	0.0	9	3.3

Rhino/Entero: rhinovirus/enterovirus; RSV: respiratory syncytial virus; AdV adenovirus; hMPV: human metapneumovirus; Flu B: influenza B virus; Flu A/unsubtyped, FluA/H1, FluA/H3, FluA/2009H1: influenza A virus unsubtyped/H1/H3/2009H1; Cov 229E, Cov HKU1, Cov NL63, Cov OC43: coronavirus 229E/HKU1/NL63/OC43; PIV 1/2/3/4: parainfluenza 1/2/3/4; B. pertussis: Bordetella pertussis; C. pneumoniae: Chlamydia pneumoniae; M. pneumoniae: Mycoplasma pneumoniae.