Table 1.

Age distribution of HPIV positive patients, n (%)

Groups	n	HPIV1	HPIV2	HPIV3	HPIVs
≤6 months	8538	60 (0.70)	4 (0.05)	469 (5.49)	533 (6.24)
~1-year	4077	62 (1.52)	7 (0.17)	352 (8.63)	421 (10.33)
~2 years	3675	60 (1.63)	5 (0.14)	309 (8.41)	374 (10.18)
~3 years	2464	38 (1.54)	3 (0.12)	124 (5.03)	165 (6.70)
~4 years	1980	23 (1.16)	3 (0.15)	62 (3.13)	88 (4.44)
~5 years	1081	6 (0.56)	2 (0.19)	17 (1.57)	25 (2.31)
~6 years	798	3 (0.38)	2 (0.25)	17 (2.13)	22 (2.76)
~7 years	750	4 (0.53)	1 (0.13)	8 (1.07)	13 (1.73)
~8 years	635	2 (0.31)	1 (0.16)	9 (1.42)	12 (1.89)
~9 years	513	1 (0.19)	0 (0)	5 (0.97)	6 (1.17)
~10 years	421	0 (0)	0 (0)	7 (1.66)	7 (1.66)
~11 years	288	0 (0)	0 (0)	1 (0.35)	1 (0.35)
~12 years	230	0 (0)	0 (0)	2 (0.87)	2 (0.87)
>12 years	323	2 (0.62)	0 (0)	6 (1.86)	8 (2.48)
Total	25,773	261 (1.01)	28 (0.11)	1388 (5.39)	1675 (6.50)

HPIV: Human parainfluenza virus.