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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.