Polio this week

Headlines

  • The GPEI is seeking experts to serve in the Advisory Group on Sabin-IPV and Polio VLP Vaccine Development. Here are the terms of reference.
  • On 4 May, Rotary International presented its Polio Eradication Champion Award to French President Emmanuel Macron in recognition of France’s significant role in the global effort to eradicate polio. The ceremony was a feature of the Rotary Day event at UNESCO, centered on education and peace. Read more…
  • WPV1 outbreak in south-eastern Africa successfully stopped:  Following thorough assessments in Malawi and Mozambique, an independent Polio Outbreak Response Assessment Team (OBRA) today recommended the closure of the wild poliovirus type 1 (WPV1) outbreak in Malawi and Mozambique, marking a significant milestone in the fight against polio in the African region.  Read more.
  • John Sever, a champion of polio eradication, dies.  An infectious disease specialist and champion of Rotary’s polio eradication programme, he passed away on 25 April, aged 92.  For more information, including how to make a contribution to PolioPlus in his memory, please click here.

Summary of new poliovirus this week

  • Afghanistan: one WPV1 case and two WPV1-positive environmental samples
  • Pakistan: 26 WPV1-positive environmental samples
  • Côte d’Ivoire: four cVDPV2-positive environmental samples
  • Nigeria: five cVDPV2 cases
  • Yemen: two cVDPV2 cases

Country updates as of 15 May 2024

  • One WPV1 case was reported in Kandahar making it the third case this year. The total number of cases in 2023 remains six.
  • Two WPV1-positive environmental samples were reported; one each in Nangarhar and Kabul.
  • No WPV1 cases were reported this week. There are two cases reported this year while the number of 2023 cases remains six.
  • 26 WPV1-positive environmental samples were reported; 10 in Sindh, eight in Balochistan, one in Punjab and seven in Khyber Pakhtunkhwa.
  • No cVDPV2 cases were reported this week. There were three cases reported in 2022.
  • No cVDPV2-positive environmental sample was reported this week.
  • No cVDPV2 cases were reported this week. There is one case reported this year.
  • No cVDPV2-positive environmental sample was reported this week.
  • No cVDPV2 cases were reported this week. There are 3 cases reported in 2023.
  • No cVDPV2-positive environmental sample was reported this week.
  • No cVDPV2 positive environmental samples were reported this week.
  • No cVDPV2 cases were reported this week. The number of 2023 cases remains three.
  • No cVDPV2-positive environmental samples were reported this week.
  • No cVDPV2 cases were reported this week. There was one case reported in 2023 and one in 2022.
  • No cVDPV2 cases were reported this week.
  • No cVDPV2-positive environmental samples were reported this week.
  • In August 2022, cVDPV2 was isolated from two environmental samples from a large wastewater treatment plant and a target site in the city of Montreal, Quebec. This was after the country conducted retrospective analysis of wastewater samples. Genetic sequencing confirmed linkage to the cVDPV2 case from New York, USA.
  • No cVDPV2 cases were reported this week. There have been 14 cases reported in 2023 and six cases in 2022.
  • No cVDPV2 cases were reported this week. There are two cases reported this year and 55 cases reported in 2023.
  • No cVDPV2-positive environmental sample was reported this week.
  • No cVDPV2-positive environmental samples were reported this week.
  • No cVDPV2 case was reported this week. There are 6 cases reported in 2023.
  • Four cVDPV2-positive environmental samples were reported; three in Abidjan 2 and one in Abidjan 1.
  • There are no polio cases reported in the country.
  • No cVDPV2-positive environmental samples were reported this week.  
  • No cVDPV1 case was reported this week. There is one case reported this year and 106 cases in 2023.
  • No cVDPV2 cases were reported this week. The number of 2023 cases remains 118.
  • No cVDPV2-positive environmental samples were reported this week.
  • There are no polio cases reported in the country.
  • No cVDPV2-positive environmental sample was reported this week.
  • No cVDPV2 cases were reported this week. There was one case reported in 2022.
  • No cVDPV2 case was reported this week. There was one case reported in 2022.
  • No cVDPV2 case was reported this week. There were three cases reported in 2022.
  • No cVDPV2 cases were reported this week. There is one case in 2024. The number of 2023 cases remains 47.
  • No cVDPV2-positive environmental sample was reported this week.
  • No cVDPV2 cases were reported this week. The total number of 2023 cases remain 6.
  • No cVDPV2-positive environmental sample was reported this week.
  • No cVDPV2 cases were reported this week. There has been one cVDPV2 case reported last year.
  • No cVDPV2 cases were reported this week. There have been eight cases reported last year.
  • No cVDPV2-positive environmental samples were reported this week.
  • No cVDPV2-positive environmental sample was reported this week.
  • No virus was reported this week.  The total number of cVDPV1 cases for 2023 remains 24.
  • No cVDPV1 cases were reported this week. There were four cases reported in the country in 2022.
  • No WPV1 cases were reported in 2023.
  • No cVDPV2 cases were reported this week. There have been 15 cases reported in 2023 and one in 2024.
  • No cVDPV2 cases were reported this week. There was one case reported in 2023.
  • No cVDPV2-positive environmental sample was reported this week.
  • No cVDPV1 case was reported this week. The number of 2023 cases remains four.
  • No cVDPV2 case was reported this week. There was one case reported in 2023.
  • No cVDPV2 cases were reported this week. There were two cases reported in 2023.
  • No cVDPV2-positive environmental sample was reported this week.
  • Five cVDPV2 cases were reported; three in Katsina and one each in Bauchi and Kano. There are 17 cases reported this year and 87 cases reported in 2023.
  • No cVDPV2-positive environmental samples were reported this week.
  • No cVDPV2-positive environmental sample was reported this week.
  • The last cVDPV2 case in the country was in October 2021.
  • No cVDPV2-positive environmental sample was reported this week.
  • No cVDPV2 cases were reported this week. There have been eight cases reported in 2023 and two in 2024.
  • No cVDPV2 cases were reported this week. There are four cases reported this year and three cases reported last year.
  • No cVDPV2 cases were reported this week. There was one case reported in 2022.
  • No cVDPV2-positive environmental samples were reported this week.
  • No cVDPV2 cases were reported this week. The total number of cases for 2023 remains two.
  • No cVDPV2-positive environmental samples were reported this week.
  • In May 2022, six positive samples were reported following the isolation of vaccine-derived poliovirus type 2 (VDPV2) from environmental samples in London, UK. No cases of paralysis associated with this strain have been detected – virus has been isolated only from environmental (sewage) samples.
  • No cVDPV2 cases were reported this week. One case was reported in New York in September 2022.
  • No cVDPV2 positive environmental samples were reported this week. There were 30 positive samples reported in 2022.
  • Two cVDPV2 cases were reported; one each in Alhudaidah and Amran. There are seven cases reported this year and eight cases reported in 2023.
  • No cVDPV2 positive environmental samples were reported this week.
  • No cVDPV2 cases were reported this week. There was one case reported last year.
  • No cVDPV2 cases were reported this week. There is one case reported in 2023.
  • No cVDPV2 positive environmental samples were reported this week.

For more country information, please visit the respective pages within the Outbreak and Endemic country sections of the GPEI website.