Polio Today → Polio Now → Wild poliovirus list

Wild poliovirus list

List of wild poliovirus by year and country

2023

January	February	March	April	May	June
03 Jan 10 Jan 17 Jan 24 Jan 31 Jan	07 Feb 14 Feb 21 Feb 28 Feb	07 Mar 14 Mar 21 Mar 28 Mar	04 Apr 11 Apr 18 Apr 25 Apr	02 May 09 May 16 May 23 May 30 May	06 Jun 13 Jun 20 Jun 27 Jun
July	August	September	October	November	December
04 July 11 July 18 July 25 July	1 Aug 8 Aug 15 Aug 22 Aug 29 Aug	05 Sep 12 Sep 19 Sep

2022

January	February	March	April	May	June
04 Jan 11 Jan 18 Jan 25 Jan	01 Feb 08 Feb 15 Feb 22 Feb	01 Mar 08 Mar 15 Mar 22 Mar 29 Mar	05 Apr 12 Apr 19 Apr 26 Apr	03 May 10 May 17 May 24 May 31 May	07 Jun 14 Jun 21 Jun 28 Jun
July	August	September	October	November	December
5 Jul 12 Jul 19 Jul 26 Jul	02 Aug 09 Aug 16 Aug 23 Aug 30 Aug	06 Sep 13 Sep 20 Sep 27 Sep	04 Oct 11 Oct 18 Oct 25 Oct	01 Nov 08 Nov 15 Nov 22 Nov 29 Nov	06 Dec 13 Dec 20 Dec 27 Dec

2021

January	February	March	April	May	June
05 Jan 12 Jan 19 Jan 26 Jan	02 Feb 09 Feb 16 Feb 23 Feb	02 March 09 March 16 March 23 March 29 March	06 April 13 April 20 April 27 April	04 May 11 May 18 May 25 May	01 June 08 June 15 June 22 June 29 June
July	August	September	October	November	December
06 July 13 July 20 July 27 July	03 August 10 August 17 August 24 August 31 August	07 September 14 September 21 September 28 September	05 October 12 October 19 October 26 October	02 November 09 November 16 November 23 November 30 November	07 December 14 December 21 December 28 December

2020

January	February	March	April	May	June
07 Jan 14 Jan 21 Jan 28 Jan	04 Feb 11 Feb 18 Feb 25 Feb	03 March 11 March 17 March 31 March	07 April 14 April 21 April 28 April	05 May 12 May 19 May 26 May	02 June 09 June 16 June 23 June 30 June
July	August	September	October	November	December
07 July 14 July 21 July 28 July	04 Aug 11 Aug 18 Aug 25 Aug	01 Sept 08 Sept 15 Sept 22 Sept 29 Sept	06 October 13 October 20 October	03 November 10 November 17 November 24 November	02 December 08 December 15 December 22 December

2019

January	February	March	April	May	June
2 Jan 8 Jan 15 Jan 22 Jan 29 Jan	5 Feb 12 Feb 19 Feb 26 Feb	5 Mar 12 Mar 19 Mar 26 Mar	2 April 9 April 16 April 23 April	1 May 7 May 14 May 21 May 28 May	4 June 11 June 18 June 25 June
July	August	September	October	November	December
2 July 9 July 16 July 23 July 30 July	6 August 13 August 20 August 27 August	03 September 10 September 17 September 24 September	01 October 08 October 15 October 22 October 29 October	05 November 12 November 20 November 26 November	04 December 11 December 18 December 25 December 31 December

2018

January	February	March	April	May	June
03 Jan 10 Jan 17 Jan 24 Jan 31 Jan	07 Feb 14 Feb 21 Feb 28 Feb	06 Mar 13 Mar 20 Mar 28 Mar	03 Apr 10 Apr 17 Apr 24 Apr	01 May 08 May 15 May 22 May 29 May	05 Jun 12 Jun 19 Jun 26 Jun
July	August	September	October	November	December
03 Jul 10 Jul 17 Jul 24 Jul 31 Jul	07 Aug 14 Aug 23 Aug 28 Aug	04 Sep 11 Sep 18 Sep 25 Sep	02 Oct 09 Oct 16 Oct 23 Oct 30 Oct	06 Nov 13 Nov 20 Nov 27 Nov	04 Dec 11 Dec 18 Dec 25 Dec

2017

January	February	March	April	May	June
4 Jan 11 Jan 17 Jan 24 Jan 31 Jan	7 Feb 14 Feb 22 Feb 28 Feb	7 Mar 14 Mar 21 Mar 28 Mar	4 Apr 11 Apr 18 Apr 25 Apr	2 May 9 May 16 May 23 May 30 May	6 Jun 14 Jun 20 Jun 27 Jun
July	August	September	October	November	December
4 Jul 11 Jul 18 Jul 25 Jul	1 Aug 8 Aug 15 Aug 22 Aug 29 Aug	6 Sep 12 Sep 19 Sep 26 Sep	3 Oct 10 Oct 17 Oct 24 Oct 31 Oct	7 Nov 14 Nov 21 Nov 28 Nov	5 Dec 12 Dec 19 Dec

2016

January	February	March	April	May	June
5 Jan 12 Jan 19 Jan 26 Jan	2 Feb 9 Feb 16 Feb 23 Feb	1 Mar 8 Mar 15 Mar 22 Mar 29 Mar	5 Apr 12 Apr 19 Apr 26 Apr	3 May 10 May 17 May 24 May 31 May	7 Jun 14 Jun 21 Jun 28 Jun
July	August	September	October	November	December
5 Jul 12 Jul 19 Jul 26 Jul	2 Aug 10 Aug 16 Aug 23 Aug 30 Aug	6 Sep 13 Sep 20 Sep 27 Sep	4 Oct 11 Oct 18 Oct 25 Oct	1 Nov 8 Nov 15 Nov 22 Nov 29 Nov	6 Dec 13 Dec 20 Dec 28 Dec

2015

January	February	March	April	May	June
6 Jan 13 Jan 20 Jan 27 Jan	3 Feb 10 Feb 17 Feb 24 Feb	3 Mar 10 Mar 17 Mar 24 Mar	7 Apr 14 Apr 21 Apr 28 Apr	5 May 12 May 19 May 26 May	2 Jun 9 Jun 16 Jun 26 Jun 30 Jun
July	August	September	October	November	December
7 Jul 14 Jul 21 Jul 28 Jul	4 Aug 11 Aug 18 Aug 25 Aug	1 Sep 8 Sep 15 Sep 22 Sep	6 Oct 13 Oct 20 Oct 27 Oct	3 Nov 10 Nov 17 Nov 25 Nov	1 Dec 8 Dec 15 Dec 22 Dec 29 Dec

2014

January	February	March	April	May	June
7 Jan 14 Jan 21 Jan 28 Jan	4 Feb 11 Feb 18 Feb 25 Feb	4 Mar 11 Mar 18 Mar 25 Mar	1 Apr 8 Apr 15 Apr 22 Apr 29 Apr	6 May 13 May 20 May 27 May	3 Jun 10 Jun 17 Jun 24 Jun
July	August	September	October	November	December
1 Jul 8 Jul 15 Jul 22 Jul 29 Jul	5 Aug 12 Aug 19 Aug 26 Aug	2 Sep 9 Sep 16 Sep 30 Sep	7 Oct 21 Oct 28 Oct	4 Nov 11 Nov 18 Nov 25 Nov	2 Dec 9 Dec 16 Dec 23 Dec

2013

January	February	March	April	May	June
1 Jan 8 Jan 15 Jan 22 Jan 29 Jan	5 Feb 12 Feb 19 Feb 26 Feb	5 Mar 12 Mar 19 Mar 26 Mar	2 Apr 9 Apr 16 Apr 23 Apr 30 Apr	7 May 14 May 21 May 28 May	4 Jun 11 Jun 18 Jun 25 Jun
July	August	September	October	November	December
2 Jul 9 Jul 16 Jul 23 Jul 30 Jul	6 Aug 13 Aug 20 Aug 27 Aug	3 Sep 10 Sep 17 Sep 24 Sep	1 Oct 8 Oct 15 Oct 22 Oct 29 Oct	5 Nov 12 Nov 19 Nov 26 Nov	3 Dec 10 Dec 17 Dec 24 Dec 31 Dec

2012

January	February	March	April	May	June
3 Jan 10 Jan 18 Jan 24 Jan 31 Jan	7 Feb 14 Feb 21 Feb 28 Feb	6 Mar 13 Mar 20 Mar 27 Mar	3 Apr 10 Apr 17 Apr 24 Apr	1 May 8 May 15 May 22 May	6 Jun 12 Jun 19 Jun 26 Jun
July	August	September	October	November	December
3 Jul 10 Jul 17 Jul 31 Jul	7 Aug 14 Aug 21 Aug 28 Aug	4 Sep 11 Sep 18 Sep 25 Sep	2 Oct 9 Oct 16 Oct 23 Oct 30 Oct	6 Nov 13 Nov 20 Nov 27 Nov	4 Dec 11 Dec 18 Dec 25 Dec

2011

January	February	March	April	May	June
11 Jan 18 Jan 25 Jan	2 Feb 8 Feb 15 Feb 22 Feb	1 Mar 8 Mar 15 Mar 22 Mar 29 Mar	5 Apr 12 Apr 19 Apr 26 Apr	3 May 10 May 24 May 31 May	7 Jun 14 Jun 21 Jun 28 Jun
July	August	September	October	November	December
6 Jul 12 Jul 19 Jul 26 Jul	2 Aug 9 Aug 16 Aug 23 Aug	6 Sep 13 Sep 20 Sep 27 Sep	4 Oct 11 Oct 18 Oct 25 Oct	1 Nov 8 Nov 15 Nov 22 Nov 29 Nov	6 Dec 13 Dec 20 Dec 27 Dec

Designed and produced by ACW