This Week

Polio this week as of 04 December 2019

  • Get up to date on the latest news, funding updates and cases numbers with the latest edition of Polio News.
  • Are you an amateur filmmaker seeking to tell the story of change-makers through the lens of your smartphone? Or maybe you are part of a production company promoting dialogue around global health challenges and solutions. Wherever you stand, the WHO wants to see your story as part of the “Health for all film festival”. Read more.
  • To provide an insight on the status of polio eradication efforts as at September 2019, the WHO Director-General’s report on polio eradication to the upcoming Executive Board (EB) meeting has been published here. Available in six languages, the report summarizes the programmatic, epidemiological and financial challenges to securing a lasting polio-free world.
  • Summary of new viruses this week (AFP cases and ES positives): Afghanistan — one WPV1 case and one WPV1 positive environmental sample; Pakistan — 25 WPV1 positive environmental samples; Angola — 16 cVDPV2 cases and four cVDPV2 positive environmental samples.

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 04 December 2019

  • One wild poliovirus type 1 (WPV1) case was reported this week from Kandahar district. The onset of paralysis was 10 November 2019. There are 22 WPV1 cases reported in 2019. There were 21 WPV1 cases reported in 2018.
  • One WPV1 positive environmental sample was reported from Lashkargah in Hilmand province. The sample was collected on 28 October 2019.
  • 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 are 91 WPV1 cases reported in 2019. There were 12 WPV1 cases in 2018.
  • 25 WPV1 positive environmental samples were reported: 12 from Punjab province, two from Balochistan province and 11 from Sindh province. The samples were collected between 01 and 18 November 2019.
  • 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 18 cVDPV2 cases reported in 2019. There were 34 cVDPV2 cases in 2018.
  • 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 is one cVDPV2 case in the country linked to the Jigawa outbreak in Nigeria.
  • 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 six cVDPV2 cases in 2019 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 nine cVDPV2 cases in 2019 linked to the Jigawa outbreak in Nigeria.
  • The risk of further cVDPV2 spread across West Africa remains high.
  • Read our Ghana country page for more information.
  • 16 cVDPV2 cases of circulating vaccine-derived poliovirus type 2 (cVDPV2) were reported this week; one each from Benguela, Luanda and Huila provinces, four from Cuanza Sul, five from Huambo and two each from Moxico and Malanje provinces. The onsets of paralysis were between 24 August and 16 October 2019. There are 60 cVDPV2 cases from seven outbreaks reported in 2019.
  • Four cVDPV2 positive environmental samples were reported; two each from Benguela and Luanda provinces. The samples were collected between 09 September and 04 November 2019.
  • Learn more about vaccine-derived polioviruses through this short animation or this ‘Coffee with Polio Experts’ video.
  • Read our Angola country page for more information.
  • No case of circulating vaccine-derived poliovirus type 2 (cVDPV2) was reported this week. There are 16 reported cases in 2019 from six different outbreaks of cVDPV2 in 2019.
  • Read our Central African Republic country page for more information.
  • No case of circulating vaccine-derived poliovirus type 2 (cVDPV2) was reported this week.
  • 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 three cVDPV2 cases in 2019 in the country linked to Jigawa outbreak in Nigeria.
  • Read our Togo country page for more information.
  • No case of circulating vaccine-derived poliovirus type 2 (cVDPV2) was reported this week. There is one cVDPV2 case from the first outbreak in the country.
  • Read our Zambia country page for more information.
  • No case of circulating vaccine-derived poliovirus type 2 (cVDPV2) was reported this week. There are three cVDPV2 cases reported in Ethiopia in 2019, all linked to the outbreak in neighbouring Somalia.
  • 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 outbreaks.  The most recent cVDPV3 virus was from an AFP case from Runingod district, Middle Shabelle province with an onset date of paralysis on 7 September 2018.  Circulating VDPV2 has also been detected during 2018 in one environmental sample in Kenya collected on 21 March 2018.There are also two reported cases of cVDPV2 in Ethiopia, linked to Somalia in 2019.
  • Learn more about vaccine-derived polioviruses through this short animation or this ‘Coffee with Polio Experts’ video.
  • No case of circulating vaccine-derived poliovirus type 2 (cVDPV2) outbreak has been reported this week.  There was one case reported in 2018.
  • Learn more about vaccine-derived polioviruses through this short animation or this ‘Coffee with Polio Experts’ video
  • Read our Mozambique country page to see information on cases, surveillance and response to the developing outbreak.
  • No circulating vaccine-derived poliovirus type 1 (cVDPV1) cases were 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.
  • Learn more about Indonesia polio outbreak response through weekly situational report
  • No new WPV1-positive environmental samples were reported this week.  In total, three WPV1-positive environmental samples have been reported in 2019, all from Sistan and Balochistan province.  The isolated viruses have been detected in environmental samples only, and genetic sequencing confirms they are linked to WPV1 circulating in Karachi, Pakistan.
  • Read our Iran country page to see information on surveillance and latest travel advisory.
  • No cVDPV2 case was reported in the past week.  The total number of cVDPV2 cases in the country remains one.
  • Learn more about vaccine-derived polioviruses through this short animation or this ‘Coffee with Polio Experts’ video.
  • Read our China country page to see information on cases, surveillance and response to the developing outbreak.
  • No circulating vaccine-derived poliovirus type 1 (cVDPV1) cases were reported this week. There are six reported cases of cVDPV1 in 2019.
  • Learn more about vaccine-derived polioviruses through this short animation or this ‘Coffee with Polio Experts’ video.
  • Read our Myanmar country page to see information on cases, surveillance and response to the developing outbreak.
  • No case of circulating vaccine-derived poliovirus type 2 (cVDPV2) was reported this week. There are six reported cases of cVDPV2 in 2019.
  • Read our Philippines country page for more information.