This Week

Polio this week as of 19 May 2020

  • The Independent Monitoring Board (IMB) of the GPEI has announced the appointment of new members of a reconstituted polio Transition Independent Monitoring Board (TIMB). Read more
  • This month, world leaders have joined together to make several important commitments to strengthening public health infrastructure during the COVID-19 response – investments that will go a long way in protecting the most vulnerable communities, including those affected by polio. Read more
  • Summary of new viruses this week (AFP cases and environmental samples):
    • Afghanistan: one WPV1 positive environmental sample and five cVDPV2 cases
    • Pakistan: nine WPV1 positive environmental samples and one cVDPV2 case

See country sections below for more details.

NA: Onset of paralysis in most recent case is prior to 2017. Figures exclude non-AFP sources. In 2018, cVDPV includes all three serotypes 1, 2 and 3.
For Somalia: 1 cVDPV2 and cVDPV3 isolated from one AFP case.
cVDPV definition: see document “Reporting and classification of vaccine-derived polioviruses” at [pdf].

Weekly country updates as of 19 May 2020

  • No wild poliovirus type 1 (WPV1) case was reported this week. The number of cases reported in 2020 stands at 12 while the total number of cases reported in 2019 remains 29.
  • Five cVDPV2 cases were reported: one in Kunar and four in Nangarhar province. The number of cVDPV2 cases in the country now stands at 7.
  • 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. The number of cases reported in 2020 stands at 47 while the total number of cases reported in 2019 cases remains 147.
  • Nine WPV1 positive environmental samples were reported: four in Balochistan, two in Khyber Pakhtoon and three in Punjab.
  • One cVDPV2 case was reported in Khyber Pakhtoon province. The number of cVDPV2 cases in the country now stands at 67.
  • 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 18 cVDPV2 cases reported in 2019 and one in 2020.
  • Read our Nigeria country page country page for more information.
  • No case of circulating vaccine-derived poliovirus type 2 (cVDPV2) was reported this week. There have been two cases in 2020 so far while the total number of 2019 cases remain 129. These cases are from several outbreaks which occurred in 2019.
  • Learn more about vaccine-derived polioviruses through this short animation or this ‘Coffee with Polio Experts’
  • Read our Angola country pagefor more information.
  • No case of circulating vaccine-derived poliovirus type 2 (cVDPV2) was reported this week. There is one case in 2020, while the number of cases in 2019 remains 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. There are three cVDPV2 cases in the country, all linked to the Jigawa outbreak in Nigeria.
  • 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 now three cVDPV2 cases in the country.
  • Read our Cameroon 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 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 23 cases from two different outbreaks in the country one being the Jigawa outbreak.
  • The risk of further cVDPV2 spread across the Lake Chad subregion 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 four cVDPV2 cases in the country; three are linked to the Jigawa outbreak in Nigeria and the fourth one is linked to the Savanes outbreak in Togo.
  • Read our Côte d’Ivoire country page for more information.
  • No cVDPV2 cases were reported this week. So far, there have been four cases reported in 2020 while the total number of cases reported in 2019 remains 87.
  • DR Congo continues to be affected by several other genetically-distinct cVDPV2s (notably in Kasai,Kwilu, Kwango and Sankuru provinces).
  • Read our Democratic Republic of the Congo country page for more information.
  • No cVDPV2 cases were reported this week. There have been eight cases in 2020 so far, 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.
  • No cVDPV2 cases were reported this week. There has been a total of 22 cases reported in Ethiopia since the beginning of the outbreaks.
  • Somalia has reported a total of 15 cVDPV cases (eight type 2, six type 3 and one coinfection of both type 2 and type 3) since the beginning of the outbreak in 2018.
  • Learn more about vaccine-derived polioviruses through this short animation or this ‘Coffee with Polio Experts’ video.
  • No circulating vaccine-derived poliovirus type 1 (cVDPV1) case was reported this week. One cVDPV1 case was reported in 2018 from Papua province with onset of paralysis on 28 November 2018.
  • This outbreak is not linked to the cVDPV1 in neighbouring Papua New Guinea.
  • Read our Indonesia 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.
  • 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.
  • No cVDPV2 case was reported this week.  The total number of cVDPV2 cases reported in 2020.
  • Read our Niger country page for more information.

 

  • No cVDPV2 case was reported this week. The total number of cVDPV2 cases reported remains one.
  • No cVDPV1 case was reported this week. The total number of cVDPV2 cases reported in 2020 remains one and 13 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 cases were reported this week. There have been six cases so far 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. The total number of cVDPV2 cases reported in 2019 remains two.
  • Read our Zambia country page for more information.