Table 1.

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

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

*Paralysis onset of the second case

**VDPV1 virus isolated first from Environmental samples collected in July 2019