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Table 2 Main performance indicators of AFP surveillance among children <15 years of age by prefecture in Yunnan Province, 2011 and 2012 (January to May)

From: Cross-border collaboration between China and Myanmar for emergency response to imported vaccine derived poliovirus case

Time period Prefecture No. of NPAFP cases Annualized NPAFP incidence (1/100, 000)§ Investigation within 48 hours (%) Two stool samples collected (%) Adequate stool sample collected (%) Stool samples delivered within 7 days (%) Lab result reported within 28 days (%)
2011 Kunming City 22 1.71 100.0 81.8 72.7 100.0 100.0
Qujing City 21 1.54 95.2 90.5 90.5 100.0 100.0
Yuxi City 31 6.53 96.8 96.8 96.8 100.0 100.0
Baoshan City 20 3.69 100.0 90.0 90.0 100.0 100.0
Zhaotong City 22 1.84 90.9 95.5 90.9 90.9 100.0
Chuxiong Prefecture 22 3.93 100.0 100.0 100.0 100.0 100.0
Honghe Prefecture 20 2.08 100.0 85.0 85.0 100.0 95.0
Wenshan Prefecture 19 2.28 100.0 89.5 84.2 88.9 100.0
Pu’er City 16 2.86 100.0 93.8 93.8 100.0 100.0
Xishuangbanna Prefecture 2 0.87 100.0 50.0 50.0 100.0 100.0
Dali Prefecture 18 2.35 94.4 100.0 100.0 100.0 100.0
Dehong Prefecture 17 6.40 100.0 100.0 100.0 100.0 100.0
Lijiang City 12 4.52 100.0 83.3 83.3 100.0 100.0
Nujiang City 4 3.38 100.0 50.0 50.0 100.0 100.0
Diqing City 1 1.19 100.0 100.0 100 100.0 100.0
Lincang City 13 2.32 100.0 92.3 92.3 92.3 100.0
Yunnan Province 260 2.58 98.1 91.5 90.0 98.1 99.6
2012 (January to May) Kunming City 20 4.89 100.0 95.0 95.0 100.0 100.0
Qujing City 8 1.41 100.0 75.0 75.0 100.0 100.0
Yuxi City 4 2.27 100.0 100.0 100.0 100.0 100.0
Baoshan City 4 1.89 100.0 100.0 100.0 100.0 100.0
Zhaotong City 14 2.44 100.0 92.9 92.9 78.6 100.0
Chuxiong Prefecture 7 3.59 100.0 100.0 100.0 100.0 100.0
Honghe Prefecture 10 2.51 100.0 100.0 100.0 100.0 100.0
Wenshan Prefecture 5 1.44 100.0 100.0 100.0 100.0 100.0
Pu’er City 7 3.60 100.0 85.7 85.7 71.4 100.0
Xishuangbanna Prefecture 0 0.0
Dali Prefecture 9 3.23 100.0 100.0 100.0 100.0 100.0
Dehong Prefecture 11 10.49 100.0 100.0 100.0 90.9 100.0
Lijiang City 8 8.58 100.0 100.0 100.0 100.0 100.0
Nujiang City 0 0.0
Diqing City 1 3.30 100.0 100.0 100.0 100.0 100.0
Lincang City 9 4.38 100.0 100.0 100.0 100.0 100.0
Yunnan Province 117 2.98 100.0 95.7 95.7 94.9 100.0
  1. §Annualized NPAFP incidence in 2012 (January to May), No. of AFP Cases × 12/5 × 100, 000/100, 000)/ No. of children <15 years of age.