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Table 1 Circulated Vaccine Derived Polio Virus Type 1 Outbreak Reported Countries 2015–2020

From: Circulating vaccine derived polio virus type 1 outbreak, Saadah governorate, Yemen, 2020

Country

Year

Index case paralysis onset

Date of detection or declaration outbreak

Days from date onset to detection

Total cases

Total contacts

Total environmental

Reference

Madagascar

2014–2015

Sep-14

Nov-14

61

10

11

 

[13]

*Ukraine

2015

Jul-15

Aug-15

58

2

0

 

[13, 14]

Laos

2015–2016

Sep-15

Oct-15

29

11

25

 

[15]

Papua New Guinea

2018

Apr-18

May-18

26

26

7

7

[11, 16]

Indonesia

2019

Jan-19

Feb-19

19

1

2

 

[17, 18]

[11, 19]

Myanmar

2019

May-19

Jun-19

32

6

6

 

**Philippines

2019

Jul-19

Sep-19

48

2

1

14

Malaysia

2019–2020

Oct-19

Dec-19

41

4

 

21

  1. *Paralysis onset of the second case
  2. **VDPV1 virus isolated first from Environmental samples collected in July 2019