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Table 4 Vaccine withdrawal and replacement activities across different administrative levels in the south-south zone for the Nigerian 2016 tOPV - bOPV switch

From: The global switch from trivalent oral polio vaccine (tOPV) to bivalent oral polio vaccine (bOPV): facts, experiences and lessons learned from the south-south zone; Nigeria, April 2016

South-south Zone/states

No. Of stores monitored

Stores with tOPV in Cold-chain (%)

Stores with tOPV out of cold-chain without “do not use sticker”

Stores with bOPV replaced (%)

Stores with IPV available (%)

No. Of vials disposed or pending disposal

Sub-National/ State Administrative Level

 Akwa-Ibom

1

0(0)

0(0)

1 (100)

1(100)

217,780

 Bayelsa

1

0(0)

0(0)

1(100)

1 (100)

22,000

 Cross-River

1

0(0)

0(0)

1 (100)

0 (0)

65,000

 Delta

2

0(0)

0(0)

2 (100)

1 (50)

0

 Edo

1

0(0)

0(0)

1 (100)

1 (100)

294,078

 Rivers

1

0(0)

0(0)

1(100)

0 (0)

48

Local Government Area (LGA) Administrative Level

 Akwa-Ibom

31

0(0)

0(0)

31(100)

31(100)

157,079

 Bayelsa

8

0(0)

0(0)

8(100)

8(100)

78,125

 Cross-River

18

2(11)

1(6)

18(100)

3(17)

59,541

 Delta

24

1(4)

1 (4)

22(91)

3(13)

50,851

 Edo

15

0(0)

0(0)

14(93)

12(80)

41,731

 Rivers

22

0(0)

5(23)

22(100)

18(82)

90,806