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This Week

Polio this week as of 26 October 2021

  • On 25 October, the GPEI marked World Polio Day with this year’s theme being “Delivering on a promise”. Several online events were held to mark the day including a discussion on ‘Role of Women in Polio Eradication’ hosted by UNICEF which included a number of speakers. The recording of the event is available here.
  • It has been 30 years since the countries of the Americas defeated polio back in 1991. Read more on what 30 years without the disease means for the Region and the world.
  • While tremendous progress has been made in the fight against polio, wild poliovirus remains endemic to two countries and the threat of cVDPV outbreaks continues to loom. Watch this animation to learn how the GPEI intends to reinvigorate polio prevention and outbreak response with the bold new Strategy for 2022-2026.
  • Summary of new WPV and cVDPV this week (AFP cases and ES positives):

– Cameroon: one cVDPV2 case
– Guinea-Bissau: three cVDPV2 cases
– Madagascar: one cVDPV1 case and eight positive environmental samples
– Mauritania: one cVDPV2 positive environmental sample
– Nigeria: 42 cVDPV2 cases and two positive environmental samples
– Senegal: one cVDPV2 case and one positive environmental sample

Weekly country updates as of 26 October 2021

  • No wild poliovirus type 1 (WPV1) case was reported this week. There is one case reported in 2021 while the total number of 2020 cases remains at 56.
  • No case of circulating vaccine-derived poliovirus type 2 (cVDPV2) was reported this week. The number of 2021 cases remains 43. There were 308 cVDPV2 cases reported in 2020.
  • Read the latest polio snapshot from Afghanistan to see information on cases, surveillance and vaccination campaigns.
  • No wild poliovirus type 1 (WPV1) case was reported this week. There is one case reported in 2021. The total number of 2020 cases remains at 84.
  • No case of circulating vaccine-derived poliovirus type 2 (cVDPV2) was reported this week. The number of 2021 cases remains at eight. There were 135 cases reported in 2020.
  • Read the latest polio snapshot from Pakistan to see information on cases, surveillance and vaccination campaigns.

 

  • No case of circulating vaccine-derived poliovirus type 2 (cVDPV2) was reported this week. There were three cVDPV2 cases reported in 2020.
  • Read our Angola country pagefor more information.
  • No case of circulating vaccine-derived poliovirus type 2 (cVDPV2) was reported this week. There are two cases reported in 2021 so far. There were three cVDPV2 cases reported in 2020. These cases are all linked to the Jigawa outbreak in Nigeria.
  • Read our Benin country page for more information.
  • No case of circulating vaccine-derived poliovirus type 2 (cVDPV2) was reported this week. There are two cases reported in 2021 so far. The number of 2020 cases remains at 65. The country is affected by different outbreaks, one linked to the Jigawa outbreak in Nigeria and one to the Savanes outbreak in Togo.
  • Read our Burkina Faso country page for more information.
  • One case of circulating vaccine-derived poliovirus type 2 (cVDPV2) was reported in the Extreme Nord province making it the first in 2021. There were seven cVDPV2 cases reported in 2020.
  • Read our Cameroon country page for more information.
  • No case of circulating vaccine-derived poliovirus type 2 (cVDPV2) was reported this week. There were four cVDPV2 cases reported in 2020.
  • Read our Central African Republic country page for more information.
  • No case of circulating vaccine-derived poliovirus type 2 (cVDPV2) was reported this week. There were 99 cVDPV2 cases reported in 2020 from three different outbreaks.
  • The risk of further cVDPV2 spread across the Lake Chad sub-region remains high.
  • Read our Chad country page for more information.
  • No case of circulating vaccine-derived poliovirus type 2 (cVDPV2) was reported this week. There are two cases reported in 2021. There were two cases reported in 2020.
  • Read our Congo country page for more information.
  • No case of circulating vaccine-derived poliovirus type 2 (cVDPV2) was reported this week. The number of 2020 cases remains at 62.
  • Read our Côte d’Ivoire country page for more information.
  • No case of circulating vaccine-derived poliovirus type 2 (cVDPV2) was reported this week. There are 10 cases reported in 2021 so far. The total number of 2020 cases remains at 81.
  • Read our Democratic Republic of the Congocountry page for more information.
  • No cVDPV2 positive environmental sample was reported this week. There are 10 positive samples reported in 2021. There was one positive sample reported in 2020.
  • Read our Egypt country page for more information.
  • No case of circulating vaccine-derived poliovirus type 2 (cVDPV2) was reported this week. There are nine cases reported in 2021 so far. The total number of 2020 cases remains at 36.
  • Read our Ethiopia country page for more information.
  • No cVDPV2 positive environmental sample was reported this week. There are six positive samples reported in 2021.
  • Read our Gambia country page for more information.
  • No case of circulating vaccine-derived poliovirus type 2 (cVDPV2) was reported this week. There were 12 cases reported in 2020.
  • Read our Ghana country page for more information.
  • No case of circulating vaccine-derived poliovirus type 2 (cVDPV2) was reported this week. There are six cases in 2021 so far. The total number of 2020 cases remains at 44.
  • Read our Guinea country page for more information.
  • Three cases of circulating vaccine-derived poliovirus type 2 (cVDPV2) were reported; one in Biombo and two in Bissau making them the first in the country. These cases are linked to the Jigawa outbreak in Nigeria.
  • Read our Guinea-Bissau country page country page for more information.
  • No cVDPV2 positive environmental sample was reported this week. There was one cVDPV2 positive environmental sample reported in 2020 and one in 2021. The virus is linked to the Banadir outbreak in Somalia.
  • Read our Kenya country page country page for more information.
  • No case of circulating vaccine-derived poliovirus type 2 (cVDPV2) was reported this week. There are three cVDPV2 cases in the country.
  • Read our Liberia country page country page for more information.
  • One case of circulating vaccine-derived poliovirus type 1 (cVDPV1) was reported in the Sud-Ouest province bringing the number of 2021 cases to 10.There were two cases reported in 2020.
  • Eight cVDPV1 positive environmental samples were reported; two in Analamanga, one each in Anosy and Sud-Ouest and four in Boeni.
  • Read our Madagascar country page country page for more information.
  • No case of circulating vaccine-derived poliovirus type 1 (cVDPV1) was reported this week. There was one case in 2020.
  • Read our Malaysia country page for more information.
  • No case of circulating vaccine-derived poliovirus type 1 (cVDPV1) was reported this week. The number of 2020 cases remains at 52.
  • Read our Mali country page country page for more information.
  • One cVDPV2 positive environmental sample was reported in Nouakchott Ouest. There are five positive samples linked to the Jigawa outbreak in 2021.
  • Read our Mauritania country page country page for more information.
  • No case of circulating vaccine-derived poliovirus type 2 (cVDPV2) was reported this week. The number of 2020 cases remains at 10.
  • Read our Niger country page for more information.

 

  • 42 cases of circulating vaccine-derived poliovirus type 2 (cVDPV2) were reported; three each in Bauchi and Katsina, one each in Bayelsa, Edo, FCT, Kaduna and Nasarawa, two each in Borno, Sokoto and Taraba, four each in Gombe and Kano, eight in Jigawa and nine in Kebbi. There are now 266 cases reported in 2021. There were eight cases reported in 2020.
  • Two cVDPV2 positive environmental samples were reported; one each in Kaduna and Nasarawa.
  • Read our Nigeria country page for more information.
  • One case of circulating vaccine-derived poliovirus type 2 (cVDPV2) was reported in Matam bringing the number of 2021 cases to 16.
  • One cVDPV2 positive environmental sample was reported in Dakar.
  • Read our Senegal page for more information.
  • No case of circulating vaccine-derived poliovirus type 2 (cVDPV2) was reported this week. There are five cases in 2021 while the number of 2020 cases remains at 10.
  • Read our Sierra Leone page for more information.
  • One case of circulating vaccine-derived poliovirus type 2 (cVDPV2) was reported in middle Juba making it the first in 2021. There were 14 cVDPV2 cases reported in 2020.
  • Read our Somalia country page for more information.
  • No case of circulating vaccine-derived poliovirus type 2 (cVDPV2) was reported this week. There are 59 cVDPV2 cases in the country; 9 in 2021 and 50 in 2020.
  • Read our South Sudan country page for more information.
  • No case of circulating vaccine-derived poliovirus type 2 (cVDPV2) was reported this week. The number of 2020 cases remains at 58. The initial viruses were linked to the ongoing outbreak in Chad followed by local transmission.
  • Read our Sudan country page for more information.
  • No case of circulating vaccine-derived poliovirus type 2 (cVDPV2) was reported this week. There are 32 cases reported in 2021 so far. There was one case reported in 2020.
  • Read our Tajikistan country page for more information.
  • No case of circulating vaccine-derived poliovirus type 2 (cVDPV2) was reported this week. There were nine cases reported in 2020.
  • Read our Togo country page for more information.
  • No cVDPV2 positive environmental sample was reported this week. There is one positive sample linked to the N’Djamena outbreak in Chad reported in 2021.
  • Read our Uganda country page for more information.
  • No case of circulating vaccine-derived poliovirus type 2 (cVDPV2) was reported this week. There is one case reported in 2021.
  • Read our Ukraine country page for more information.
  • No case of circulating vaccine-derived poliovirus type 1 (cVDPV1) was reported this week. There are three cases reported in 2021 so far and a total of 35 altogether.
  • Read our Yemen country page for more information.