This Week

Polio this week as of 14 October 2020

  • Dear polio eradication supporter, last month I was delighted to join a very long-awaited celebration at the WHO African Regional Committee of a global public health milestone… Read more of Polio Oversight Board Chair’s quarterly letter.
  • Take a look at the newly published nOPV2 technical brief that provides a quick summary of the key operational considerations for the use of nOPV2 in outbreak response as a quick reference for EPI managers, immunization focal points, and field staff.
  • Summary of new WPV and cVDPV viruses this week (AFP cases and ES positives):
      • Afghanistan: one WPV1 case, one WPV1positive environmental sample and 11 cVDPV2 positive environmental samples
      • Pakistan: three WPV1 cases, three WPV1 positive environmental samples and 10 cVDPV2 positive environmental samples
      • Burkina Faso: one cVDPV2 AFP case
      • Côte d’Ivoire: four cVDPV2 cases
      • Guinea: eleven cVDPV2 cases
      • Mali: four cVDPV2 cases
      • Niger: three cVDPV2 AFP cases

See country sections below for more details.

*Philippines reported both cVDPV1 and cVDPV2 cases in 2019

Weekly country updates as of 14 October 2020

  • One wild poliovirus type 1 (WPV1) case was reported in Khost province. There have been 52 WPV1 cases reported in 2020 so far while the total number of cases reported in 2019 remains 29.
  • One WPV1 positive environmental sample was reported in Hirat province.
  • No case of circulating vaccine-derived poliovirus type 2 (cVDPV2) was reported this week. There have been 87 cVDPV2 cases reported in 2020 so far.
  • 11 cVDPV2 positive environmental samples were reported; six in Kabul, one each in Khost, Kunduz and Laghman and two in Nangarhar province.
  • Read the latest polio snapshot from Afghanistan to see information on cases, surveillance and vaccination campaigns.
  • Three wild poliovirus type 1 (WPV1) cases were reported; one in Balochistan and two in Punjab province. There are 77 WPV1 cases reported in 2020 so far while the total number of cases reported in 2019 cases remains 147.
  • Three WPV1 positive environmental samples were reported; one each in Balochistan, Punjab and Sindh.
  • No case of circulating vaccine-derived poliovirus type 2 (cVDPV2) was reported this week. There have been 64 cVDPV2 cases reported in 2020 so far while the 2019 case count remains 22.
  • 10 cVDPV2 positive environmental samples were reported; one each in Balochistan and Punjab and eight in Sindh.
  • 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 have been three cases reported in 2020 so far. The total number of 2019 cases remain 130. These cases are from several outbreaks which occurred in 2019.
  • Read our Angola country pagefor more information.
  • No case of circulating vaccine-derived poliovirus type 2 (cVDPV2) was reported this week. There have been two cases reported in 2020 while the number of 2019 cases remain eight. These cases are all linked to the Jigawa outbreak in Nigeria.
  • The risk of further cVDPV2 spread across West Africa remains high.
  • Read our Benin country page for more information.
  • No case of circulating vaccine-derived poliovirus type 2 (cVDPV2) was reported this week. The number of cVDPV2 cases in the country currently stands at 10 and they are all linked to the Jigawa outbreak in Nigeria.
  • Read our Burkina Faso country page for more information.
  • No cVDPV2 case was reported this week. There are five cases reported in 2020 so far.
  • Read our Cameroon country page for more information.
  • No cVDPV2 case was reported this week. There are two cases reported in 2020 so far and 21 cases in 2019 from several outbreaks.
  • 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 are 69 cases from two different outbreaks in the country, one being the Jigawa outbreak. There were 11 cases reported in 2019.
  • The risk of further cVDPV2 spread across the Lake Chad subregion remains high.
  • Read our Chad country page for more information.
  • Four cases of circulating vaccine-derived poliovirus type 2 (cVDPV2) were reported; one each in Gbokle-Nawa-San-Pedro, Loh-Djiboua, Poro-Tchologo-Bagoue and Tonkpi provinces. The total number of cVDPV2 cases reported in 2020 is 33.
  • 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 56 cases reported in 2020 so far, while the 2019 case count remains 88.
  • DR Congo continues to be affected by two other genetically-distinct cVDPV2s
  • Read our Democratic Republic of the Congo country pagefor more information.
  • One VDPV2 isolate from an environment site in Giza. This isolate is genetically linked to a circulating VDPV2 outbreak in Sudan. Currently, investigations are on to rule out the local transmission and circulation.
  • No case of circulating vaccine-derived poliovirus type 2 (cVDPV2) was reported this week. The total number of cVDPV2 cases reported is 29.
  • Read our Ethiopia country page for more information.
  • No cVDPV2 cases were reported this week. So far, there have been 11 cases reported in 2020, while the total number of 2019 cases remains 18.
  • The risk of further cVDPV2 spread across West Africa remains high.
  • Read our Ghana country page for more information.
  • 11 cases of circulating vaccine-derived poliovirus type 2 (cVDPV2) were reported; one each in Conakry, Faranah and Kindia, five in Kankan and three in N’zerekore provinces. There are now 29 cVDPV2 cases in the country
  • Read our Guinea country page for more information.
  • No circulating vaccine-derived poliovirus type 1 (cVDPV1) case was reported this week. There has been one case in 2020 so far. The total number of cases reported in 2019 remains three.
  • Read our Malaysia country page for more information.
  • Four cases of circulating vaccine-derived poliovirus type 2 (cVDPV2) were reported this week; one each in Bamako and Mopti and two in Sikasso. There are five cases reported in the country in 2020 so far.
  • Read our Mali country page country page for more information.
  • No circulating vaccine-derived poliovirus type 1 (cVDPV1) case was reported this week. There were six reported cases of cVDPV1 in 2019.
  • Read our Myanmar country page for more information.
  • Three cases of circulating vaccine-derived poliovirus type 2 (cVDPV2) were reported this week; one each in Dosso, Niamey and Tahoua provinces. There are eight cVDPV2 cases reported in the country so far.
  • Read our Niger country page for more information.

 

  • No cVDPV2 cases was reported this week. There are two cVDPV2 cases in 2020 and 18 cVDPV2 cases were reported in 2019.
  • Read our Nigeria country page for more information.
  • No cVDPV2 case was reported this week. The total number of cVDPV2 cases reported in 2020 remains one and 12 in 2019..
  • No cVDPV1 case was reported this week. There are two cVDPV1 cases in the country from 2019.
  • Read our Philippines country page for more information.
  • No cVDPV2 case was reported this week. There is a total of 19 cVDPV cases (12 type 2, six type 3 and one coinfection of both type 2 and type 3) since the beginning of the outbreak in 2018.
  • Read our Somalia country page for more information.
  • No cVDPV2 case was reported this week. There are three cVDPV2 cases in the country linked to the ongoing outbreak in Chad.
  • Read our South Sudan country page for more information.
  • No case of circulating vaccine-derived poliovirus type 2 (cVDPV2) was reported this week. There are 23 cVDPV2 cases reported in 2020 so far. 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 nine cases reported in 2020 while the total number of cVDPV2 cases reported in 2019 remains eight.
  • Read our Togo country page for more information.
  • No case of circulating vaccine-derived poliovirus type 2 (cVDPV2) was reported this week. There have been 15 cVDPV1 cases reported in the country.
  • With large-scale population movements with other areas of the Horn of Africa, notably Djibouti and northern Somalia, a more thorough Horn of Africa risk assessment to both type 1 and type 2 poliovirus is being conducted.
  • Read our Yemen country page for more information.
  • No case of circulating vaccine-derived poliovirus type 2 (cVDPV2) was reported this week. The total number of cVDPV2 cases reported in 2019 remains two.
  • Read our Zambia country page for more information.