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Table 2 OPV immunization history of AFP cases by classification of AFP cases and age in 2011 in Xinjiang

From: Enhanced surveillance of acute flaccid paralysis following importation of wild poliovirus in Xinjiang Uygur Autonomous Region, China

Classification of AFP cases

Age (years)

No.

0 dose

1-2 doses

≥ 3 doses

Unknown

N (%)

N (%)

N (%)

N (%)

WPV cases

< 1

6

3 (50.0)

1 (16.7)

2 (33.3)

0 (0)

1-4

4

0 (0)

1 (25.0)

3 (75.0)

0 (0)

5-14

0

0 (0)

0 (0)

0 (0)

0 (0)

15-39

10

2 (20.0)

1 (10.0)

0 (0)

7 (70.0)

≥ 40

1

0 (0)

0 (0)

0 (0)

1 (100.0)

Total

21

5 (23.8)

3 (14.3)

5 (23.8)

8 (38.1)

Clinical compatible polio cases

< 1

3

2 (66.7)

0 (0)

1 (33.3)

0 (0)

1-4

3

0 (0)

1 (33.3)

2 (66.7)

0 (0)

5-14

1

0 (0)

0 (0)

0 (0)

1 (100.0)

15-39

14

1 (7.1)

1 (7.1)

1 (7.1)

11 (78.6)

≥ 40

2

0 (0)

0 (0)

0 (0)

2 (100.0)

Total

23

3 (13.0)

2 (8.7)

4 (17.4)

14 (60.9)

Non-polio AFP cases

< 1

19

2 (10.5)

7 (36.8)

8 (42.1)

2 (10.5)

1-4

73

0 (0)

1 (1.4)

63 (86.3)

9 (12.3)

5-14

56

1 (1.8)

1 (1.8)

38 (67.9)

16 (28.6)

15-39

200

7 (3.5)

23 (11.5)

8 (4.0)

161 (81.0)

≥ 40

186

16 (8.6)

2 (1.1)

1 (0.5)

167 (89.8)

 

Total

534

26 (4.9)

34 (6.4)

118 (22.1)

356 (66.7)

  1. Note: OPV oral attenuated poliovirus vaccine, AFP acute flaccid paralysis, WPV wild poliovirus.