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Polio this week as of 22 October 2014
 

  • World Polio Week, starting on 23 October, provides an opportunity to recognize the progress made towards the global eradication of polio in 2014. This year is the first year with South East Asia certified as polio-free.
  • The Canadian Prime Minister Stephen Harper was awarded Rotary International’s Polio Eradication Champion Award on 18 October in recognition of his efforts to achieve a polio free world. Canada has been a long standing supporter of the Global Polio Eradication Initiative since 1988.
  • Pakistan has reached 210 cases of paralysis caused by wild poliovirus in 2014. This is the highest number of cases on record by October in any year, and accounts for more than 85% of all cases worldwide.

  

 

  


Wild Poliovirus (WPV) cases

Total cases

Year-to-date 2014

Year-to-date 2013

Total in 2013 

Globally

247

298

416

- in endemic countries

228

103

160

- in non-endemic countries

19

195

256

  


Case breakdown by country


Countries

Year-to-date 2014

Year-to-date 2013


Total in
 2013

Date of most 
 recent case

 WPV1  WPV3   W1W3  Total   WPV1  WPV3  W1W3  Total 
Pakistan 210     210 46  
46 93 01-Oct-14
Afghanistan 12     12 8     8 14 18-Sep-14
Nigeria 6     6 49
  49 53 24-Jul-14
Somalia 5     5 174
  174 194 11-Aug-14
Equatorial Guinea 5     5       0  0 03-May-14
Iraq 2     2       0 0 07-Apr-14
Cameroon 5     5  1     1 4 09-Jul-14
Syria 1     1       0 35 21-Jan-14
Ethiopia      1     1 6     6 9 05-Jan-14
Kenya
    0 14     14 14 14-Jul-13
Total 247 0 0 247 298 0   298 416
Total in endemic countries      228 0 0 228 103 0
103 160   
 Total outbreak 19    0   0 19 195 0 0 195 256  

Data in WHO as of 22 October 2013 for 2013 data and 21 October 2014 for 2014 data.

Afghanistan

  • No new wild poliovirus type 1 (WPV1) cases were reported in the past week in Afghanistan. The most recent case had onset of paralysis on 18 September in Panjwayi district, Kandahar province. The total number of WPV1 cases in 2014 remains 12.
  • No new cases of type 2 circulating vaccine-derived poliovirus (cVDPV2) were reported in the past week. No cases of cVDPV have been reported in 2014.
  • Given the growing outbreak in neighbouring Pakistan, Afghanistan is taking protective steps to limit any spread of the virus. SNIDs are scheduled across the south of Afghanistan 16-18 November.

Nigeria

  • No new wild poliovirus type 1 (WPV1) cases were reported in the past week. Nigeria’s total case count for 2014 remains 6. The most recent case had onset of paralysis on 24 July in Sumaila Local Government Area (LGA), southern Kano state.
  • No new type 2 circulating vaccine-derived poliovirus (cVDPV2) cases were reported in the past week. The total number of cVDPV2 cases for 2014 remains 20. The most recent cVDPV2 case had onset of paralysis on 17 August in Kano.
  • Subnational Immunization Days (SNIDs) will be held 1-4 November in northern Nigeria using trivalent oral polio vaccine (OPV). In some areas of Kano and Yobe states, supplementary immunization activities using inactivated polio vaccine (IPV) will also take place in November. 

Pakistan

  • Four new wild poliovirus type 1 (WPV1) cases were reported in the past week in Pakistan. Of these, 3 are from the Federally Administered Tribal Areas (FATA) (1 from South Waziristan and 2 from Khyber Agency); and 1 from Lakki Marwat district of Khyber Pakhtunkhwa (KP) province. The most recent case had onset of paralysis on 1 October. This brings the total number of WPV1 cases in 2014 to 210 compared to 46 in 2013 by this date.
  • No new type 2 circulating vaccine-derived poliovirus (cVDPV2) cases were reported in the past week. The most recent cVDPV2 case had onset of paralysis in Khyber Agency, FATA, on 23 June. The country has reported 19 cases of cVDPV2 in 2014.
  • Immunization activities are continuing with particular focus on known high-risk areas, in particular the newly opened areas of FATA. At exit and entry points of areas that are inaccessible during polio campaigns, 163 permanent vaccination points are being used to reach internally displaced families as they move in and out of the inaccessible area.

Central Africa

  • No new wild poliovirus type 1 (WPV1) cases were reported this week. In 2014, 10 cases have been reported in central Africa: 5 in Cameroon and 5 in Equatorial Guinea.
  • In Cameroon and Equatorial Guinea National Immunization Days (NIDs) are starting at the end of October, and in Gabon with dates to be confirmed. Subnational Immunization Days (SNIDs) will be held in high risk areas of the Central African Republic in November and December. SNIDs will also take place in the Democratic Republic of Congo in October. NIDs will be held 7-9 November in Angola and Chad.

Horn of Africa

  • No new wild poliovirus type 1 (WPV1) cases have been reported in the past week in the Horn of Africa. The most recent case, which had onset of paralysis on 11 August, was from Hobyo district of Mudug province, central Somalia. The total number of cases that have been reported in the Horn of Africa in 2014 is six: 1 WPV1 in Ethiopia (date of onset of paralysis on 14 January) and 5 WPV1s in Somalia.
  • Supplementary Immunization Activities (SIA) will be held in Somalia in October and in Djibouti, Ethiopia, Kenya, South Sudan, Sudan and Uganda in November. Child Health Days (CHDs) including supplementary bivalent oral polio vaccine (OPV) immunization are planned in Somalia and Yemen in November.
  

Israel and West Bank and Gaza

  • Wild poliovirus type 1 (WPV1) has not been detected in environmental samples in Israel or the West Bank and Gaza Strip in recent months. The most recent positive sample was collected in southern Israel on 30 March. Environmental samples collected since April have been negative.

Middle East

  • No new wild poliovirus type 1 (WPV1) cases were reported in the past week. Three cases of WPV1 have been reported in the Middle East in 2014 - two in Iraq and one in Syria.
  • Last week marked 6 months with no cases of WPV1 in the Middle East. The most recent case reported from Syria had onset of paralysis on 21 January, while the most recent case in Iraq occurred in Mada'in district, Baghdad-Resafa province, with onset of paralysis on 7 April.
  • Phase 2 of the Middle East Outbreak response continues to be implemented to improve the quality of supplementary immunization activities and to increase the reach of campaigns. National Immunization Days (NIDs) being held in Egypt, Iraq, Jordan, Lebanon, Syria and Turkey (SNIDs) in October, using a mix of bivalent and trivalent oral polio vaccine depending on the area. 
     

West Africa

  • No wild poliovirus type 1 (WPV1) cases have been reported in West Africa in 2014. The most recent WPV1 case in the region occurred in Tahoua province, Niger, with onset of paralysis on 15 November 2012.
  • No new cases of type 2 circulating vaccine-derived poliovirus (cVDPV2) were reported this week. The last case of cVDPV2 was reported in Niger on 11 July 2013.
  • Even as polio programme staff across West Africa support efforts to control the Ebola outbreak affecting the region, efforts are being made in those countries not affected by Ebola to vaccinate children against polio. National Immunization Days (NIDs) are planned in Benin, Burkina Faso, Cape Verde, Côte d’Ivoire, Gambia, Ghana, Guinea Bissau, Mauritania, Senegal and Togo starting 31 October. Subnational Immunization Days (SNIDs) will take place on the same dates in Niger and Mali.