This Week

Polio this week as of 01 December 2021

Headlines

  • Catch up on the latest news, donor and programme updates in the recently published November edition of Polio News.
  • The French version of the guidance note on cold chain logistics and vaccine management during polio supplementary immunization activities is now available here.

Summary of new WPV and cVDPV this week (AFP cases and ES positives):

  • Pakistan: one WPV1 positive environmental sample
  • Central African Republic: one cVDPV2 positive environmental sample
  • Nigeria: seven cVDPV2 positive environmental samples
  • Uganda: one cVDPV2 positive environmental sample

Weekly country updates as of 30 December 2021

  • No wild poliovirus type 1 (WPV1) case was reported this week. There are three cases reported in 2021. 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 at 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.
  • One WPV1 positive environmental sample was reported in Khyber Pakhtoon.
  • 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 are three cases reported in 2021. 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.
  • No case of circulating vaccine-derived poliovirus type 2 (cVDPV2) was reported this week. There are two cases reported 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.
  • One cVDPV2 positive environmental sample was reported in RS7. This positive sample is the first one reported this year and is linked to the Zamfara outbreak in Nigeria
  • 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 101 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 63.
  • 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 11 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 samples were reported this week. There are nine 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.
  • No case of circulating vaccine-derived poliovirus type 2 (cVDPV2) was reported this week. There are 3 cases in the country which 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.
  • No case of circulating vaccine-derived poliovirus type 1 (cVDPV1) was reported this week. There are 10 cases reported in 2021. There were two cases reported in 2020.
  • Read our Madagascar country page 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.
  • No cVDPV2 positive environmental sample was reported this week. 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 2021 cases remains at 5. There were 10 cases reported in 2020.
  • Read our Niger country page for more information.

 

  • No case of circulating vaccine-derived poliovirus type 2 (cVDPV2) was reported this week. There are 289 cases reported in 2021. There were eight cases reported in 2020.
  • Seven cVDPV2 positive environmental samples were reported; one each in Borno and Yobe, two in Kano and three in Katsina.
  • Read our Nigeria country page for more information.
  • No case of circulating vaccine-derived poliovirus type 2 (cVDPV2) was reported this week. There are 16 cases reported in 2021.
  • 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.
  • No case of circulating vaccine-derived poliovirus type 2 (cVDPV2) was reported this week. There is one cVDPV2 case reported in 2021 so far and 14 were 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 59. 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.
  • One cVDPV2 positive environmental sample was reported in Kampala making it the second in 2021. The samples are linked to the N’Djamena outbreak in Chad.
  • 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 2 (cVDPV2) was reported this week. There are two cVDPV2 and three cVDPV1 cases reported in 2021. The total number of cVDPV1 cases stands at 35.
  • Read our Yemen country page for more information.