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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.