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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