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29 Oct 2015 description
  • On 20 October, the Strategic Advisory Group of Experts on immunization (SAGE) confirmed that the globally coordinated withdrawal of the type 2 component in oral polio vaccine (OPV) should occur in April 2016, specifically in a window from 17 April to 1 May. Countries should intensify their preparatory efforts to switch from trivalent OPV to bivalent OPV to meet this timeline.

15 Oct 2015 description
  • In Lao Democratic People’s Republic a circulating vaccine-derived poliovirus type 1 (cVDPV1) outbreak has been confirmed, with one case, an eight year old boy who had onset of paralysis on 7 September. Outbreaks of cVDPVs can arise in areas of low population immunity, emphasizing the importance of strong vaccination coverage. Learn more about VDPVs.

13 Oct 2015 description
  • Afghanistan became the final polio-endemic country to introduce the inactivated polio vaccine on 30 September as part of the biggest globally synchronized vaccine introduction in history.

  • This week, the Independent Monitoring Board is meeting in London to assess progress towards polio eradication and to make recommendations for the coming months. The report is expected to be published in the next few weeks.

01 Oct 2015 description
  • The week, WHO removed Nigeria from the list of polio-endemic countries following all samples in the polio laboratory being tested negative for wild poliovirus for a whole year following the most recent case on 24 July 2014. This is the first time that Nigeria has interrupted transmission of wild poliovirus, bringing the country and the African region closer than ever to being certified polio-free. More.

22 Sep 2015 description

Declaration further milestone for globally-coordinated vaccine switch in 2016

20 September, Bali – In an important step towards a polio-free world, the Global Commission for the Certification of Poliomyelitis Eradication (GCC) today concluded that wild poliovirus type 2 (WPV2) has been eradicated worldwide. The GCC reached its conclusion after reviewing formal documentation submitted by Member States, global poliovirus laboratory network and surveillance systems. The last detected WPV2 dates to 1999, from Aligarh, northern India.

18 Sep 2015 description
  • Pakistan launched a nationwide polio campaign this week to vaccinate more than 35 million children in 163 districts of the country. Approximately 200,000 polio workers are participating in the polio campaign, during which Vitamin A will also be distributed.
10 Sep 2015 description
  • A case of vaccine-derived poliovirus type 2 (VDPV2) has been reported with onset of paralysis on 20 July 2015 in Bamako city, Mali. The virus was isolated from a 19-month old boy of Guinean nationality. The closest genetic match to this case is from a case from Kankan, Guinea, with onset of paralysis on 30 August 2014. The genetic changes suggest that the cVDPV2 has been circulating for more than 12 months. Discussions are currently ongoing with national health authorities to plan and implement an urgent outbreak response.

09 Sep 2015 description

Outbreak stems from poor immunization coverage

9 September 2015 - A case of vaccine-derived poliovirus type 2 (VDPV2) has been reported with onset of paralysis on 20 July 2015 in Bamako city, Mali. The virus was isolated from a 19-month old boy of Guinean nationality. The closest genetic match to this case is from a case from Kankan, Guinea, from 30 August 2014. The genetic changes suggest that the cVDPV2 has been circulating for more than 12 months.

22 Jan 2015 description

Ministers of Health from around the world will convene next week at WHO’s Executive Board meeting, to set global public health policies. Among other topics, representatives are expected to review the current polio epidemiology and global preparedness plans for the phased removal of oral polio vaccines. A report has been prepared, to facilitate discussions, available here.

24 Dec 2014 description
  • The year ends with real – and fragile – progress: the longest stretch in history without wild poliovirus in Africa, large outbreaks stopped in the Middle East and the Horn of Africa, a certified polio-free South East Asia and no wild poliovirus type 3 for over 2 years. This will be the last weekly update of 2014.

26 Nov 2014 description
  • In response to the outbreak of circulating vaccine-derived poliovirus (cVDPV) in South Sudan, over 19,000 children were vaccinated last week in Bentiu Poc, where the two cases were reported. Outbreak response plans are in place to hold three rounds of supplementary immunization activities (SIAs) in high risk areas to stop transmission of the virus.

13 Nov 2014 description
  • In Madagascar, a circulating vaccine-derived poliovirus type 1 (cVDPV1) has been confirmed. The virus was isolated from one case of acute flaccid paralysis (AFP) with onset of paralysis on 29 September, and from three healthy contacts. An estimated more than 25% of children remain under-immunized against polio in the country. Madagascar was previously affected by a cVDPV2 outbreak in 2001/2002 (resulting in five cases) and in 2005 (resulting in three cases). Emergency outbreak response is being finalized, with campaigns to be held in December and January.

22 May 2014 description

The 67th World Health Assembly, the WHO’s highest decision-making body, is meeting this week in Geneva. The report of the polio eradication programme to the Assembly is available here, and is scheduled to be discussed on Friday. On the sidelines of WHA, Bruce Aylward, WHO Assistant Director-General for Polio and Emergencies, discussed polio eradication at the World Health +SocialGood digital event on Monday. The recorded discussion can be watched here (start at 1:04:00).

22 Jan 2014 description

The data table below is as of 22 January 2014

The first four cases wild poliovirus cases type 1 (WPV1) have been reported for 2014. All cases were reported from North Waziristan, FATA, Pakistan. North Waziristan is the district with the largest number of children being paralyzed by poliovirus in the world. As long as polio still exists in reservoirs like North Waziristan, the world will always be at risk of outbreaks.

04 Jul 2013 description
  • Last week, 20,000 Rotarians from 160 countries gathered in Lisbon, Portugal for the annual Rotary International Convention. Rotary and the Bill and Melinda Gates Foundation announced an extension of their existing fundraising partnership that could generate up to US$525 million for polio eradication. The Bill and Melinda Gates Foundation will match two dollars for every new dollar Rotary commits to polio eradication, up to US$35 million per year, through 2018. More.

27 Jun 2013 description
  • In Pakistan, the WPV1 outbreak in Bara in Khyber Agency (Federally Administered Tribal Areas – FATA), is continuing. Seven cases have now been reported since end-April. This outbreak is the major WPV reservoir in all of Asia, and is threatening progress achieved elsewhere in the country and in neighbouring Afghanistan. See ‘Pakistan’ section below for more.

20 Jun 2013 description

Polio this week - As of 19 June 2013

13 Jun 2013 description

Polio this week - As of 12 June 2013

29 May 2013 description
  • At last week’s World Health Assembly (WHA) in Geneva, Switzerland, health ministers from around the world acknowledged the progress achieved in the past year in bringing polio to its lowest ever levels, thanks to actions of Member States in placing polio eradication on an emergency footing. Delegates endorsed the new Polio Eradication and Endgame Strategic Plan 2013-2018 to secure a lasting polio-free world and urged for its full implementation and financing.