Download - Update on polio eradication in the Region
1
The status of polio eradication:
progress and challenges
Agenda item 2(b)62nd session of the Regional Committee for the Eastern Mediterranean
58 October 2015
05/02/2023
The status of polio eradication: progress and challenges 2
Polio eradication and end game strategic plan 20132018
Objectives• Detect and interrupt all polio transmission• Strengthen routine immunization, introduce one
dose of inactivated polio vaccine and withdraw oral polio vaccine
• Contain poliovirus and certify the interruption of transmission
• Plan polio legacy
05/02/2023
The status of polio eradication: progress and challenges 3
Wild poliovirus cases, 30 March 29 September 2015
The best ever opportunity to stop wild poliovirus transmission; only one serotype in limited areas of
two remaining endemic countries
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Monthly distribution of wild poliovirus cases, 20112015
WPV type 1
WPV type 3
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Data in WHO asof 8 September 2015
2015
The status of polio eradication: progress and challenges
The status of polio eradication: progress and challenges 5
Distribution of WPV in the Region, 2014Sep 2015
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Horn of Africa outbreaklast WPV 11 August 2014
Middle East outbreaklast WPV 7 April 2014
Pakistan total WPV=32last WPV 22-Aug-15
Afghanistan total WPV=12last WPV 6-September-15
2014WPV=342
2015 up to 29
SeptemberWPV=44
Afghanistan total WPV=28
Pakistan total WPV=306
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In 2015, all of the global wild polio burden is in Pakistan and
Afghanistan
05/02/2023
The status of polio eradication: progress and challenges 7
Are we making progress?Polio cases in 2014–2015 as at 29 September
Afghanistan Pakistan0
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20142015
The status of polio eradication: progress and challenges 8
WPV distribution 2014 and 2015
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2014 2015
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Declining active WPV genetic clusters, 2010–9/2015
87% reduction in the circulating clusters, 16 in 2010 to 2 in 2015
The status of polio eradication: progress and challenges 10
However there are still risks…
• Travelers from Pakistan and Afghanistan (especially from polio endemic areas) travel to and work in countries all over the world
• If transmission continues there is a risk that wild poliovirus from Pakistan or Afghanistan will re-infect other countries
The status of polio eradication: progress and challenges 11
Cumulative score, 16 November 2014 HighMediumLowNot IncludedNon EMR coun tries
Risk interpretation (score)
High ( <50%)Medium (50–74%)Low ( ≥75%)
Cumulative score, 2 August 2015
Subnational risk assessment, August 2015
The status of polio eradication: progress and challenges 12
Vaccination status of 659 month-old non-polio AFP cases in focus countries, 20142015
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0 1-3 4-6 7+ doses
AFG IRQ PAK SOM SYR YEM
The status of polio eradication: progress and challenges 13
Priorities for the upcoming 6 months
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Stop polio tranission
Consolidate improving immunization coverage and
surveillance
All countries: Enhance preparedness and response plans,
and prepare for tOPV-bOPV switch
The status of polio eradication: progress and challenges 14
What can Member States do?
• Support Pakistan and Afghanistan to stop polio virus transmission
• Improve immunization coverage of high risk areas/populations: slums, IDPs, migrants
• Enhance sensitivity of surveillance systems to enable early detection and response to any poliovirus importation or emergence of VDPVs
• Field test preparedness and response plans • Prepare for the switch from tOPV to bOPV
The status of polio eradication: progress and challenges 15
Summary
• We are in the best position we have ever been to eradicate polio globally within 69 months
• To achieve our goal, the national emergency action plans for polio eradication in Afghanistan and Pakistan have to be fully implemented
• The actions of all Member States is crucial in these final stages of global eradication to support Pakistan and Afghanistan and to keep the Region polio-free