major developments since april sage...sage (april) • draft a 'gpei strategic plan/budget,...
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Polio Eradication Major developments since April Sage
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• SAGE April recommendations
• Current epidemiology/context
• Major issues for SAGE guidance
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SAGE (April)
• draft a 'GPEI Strategic Plan/Budget, 2013-18'
• pursue pre-eradication tOPV-bOPV switch
• develop low-cost ID & IM IPV options
• closely monitor polio emergency action plans
Undertake broad consultations
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World Health Assembly
"DECLARES polio eradication an
emergency for global public health…
…requests the Director-General to
rapidly finalize a polio endgame plan, with
a tOPV-bOPV switch".
25 May 2012
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Last type 2 wild poliovirus: 1999
however…..
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250-500 VAPP cases/year
(40% due to Sabin type 2)
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Vaccine-derived polioviruses
• circulating (cVDPVs)
• 1o immunodeficiency (iVDPVs)
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circulating Vaccine-Derived Poliovirus Outbreaks (cVDPVs), 2000-2011
Type 2 (478 cases)
Type 1 (79 cases)
Type 3 (9 cases)
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May World Health Assembly
Jun VDPV Expert Consultation
Aug Global Certification Commission (GCC)
Aug/Nov SEAR TAG, EMR TAG, PAHO TAG, AFR Expert Group
Aug AFG/PAK Cross-Border Meeting; AFG Independent Eval
Sep Nigeria Expert Review Committee (ERC)
Sep SAGE Polio Working Group
Sep IPAC
Sep UN General Assembly Special Event
Sep/Oct IPV Manufacturers Consultations
Sep/Oct Independent Monitoring Board consultation
Sep/Nov Polio Partners Group (PPG)
Oct Regulatory agency consultations
May World Health Assembly
Jun VDPV Expert Consultation
Aug Global Certification Commission (GCC)
Aug/Nov SEAR TAG, EMR TAG, PAHO TAG, AFR Expert Group
Aug AFG/PAK Cross-Border Meeting; AFG Independent Evaluation
Sep Nigeria Expert Review Committee (ERC)
Sep SAGE Polio Working Group
Sep IPAC
Sep UN General Assembly Special Event
Sep/Oct IPV Manufacturers Consultations
Sep/Oct Independent Monitoring Board consultation
Sep/Nov Polio Partners Group (PPG)
Oct Regulatory agency consultations
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Eradication
Last wild polio case
Endgame
Legacy
Wild virus certification
Stop bOPV; transition key staff, infrastructure & systems
Address pre-requisites, Build RI, introduce IPV, switch tOPV:bOPV, develop legacy plan
Implement Emergency Action
Plans
2012 2013 2014 2015 2016 2017 2018 2019 2020-25
Polio Eradication & Endgame Plan
tOPV-bOPV switch
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Global Commission: reaffirmed benefits of an early tOPV-bOPV switch; established process to 'conclude' type 2 eradication.
Independent Monitoring Board: expressed ongoing concern regarding the evidence that emergency action plans are having desired impact.
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Current Epidemiology & Context
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1 Nov 2011
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1 Nov 2012 Last 4 months
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0
250
500
750
1000
1250
2007 2008 2009 2010 2011 2012*
Cas
es
Polio, type 3 cases
All type 3 cases in last 6 months were
in Nigeria
* 29 Oct 2012: Nigeria = 17 cases (most recent 12 Aug); Pakistan = 2 cases (most recent 18 Apr)
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0
25
50
75
100
125
150
Pakistan Afghanistan Nigeria Chad
Cas
es
2011 2012
Polio-paralyzed children at 1 Nov 2011 vs. 2012
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Security Challenges
Muhammad Ishaq Polio Worker Died 19 July 2012 Gadap/Karachi, Pakistan
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Coverage Trends in Wild Virus Reservoirs
Nigeria LQAs analysis, worst-
performing LGAs
* does not include FATA
Pakistan LQAs analysis, worst-performing districts
Courtesy of Global Good
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UN General Assembly Special Event on Polio, September 2012
Afghanistan Pakistan
Bill Gates Nigeria
Rotary WHO
IDB CDC
UNICEF
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circulating Vaccine-Derived Poliovirus Outbreaks (cVDPVs) last 6 months
Type 2 (15 cases)
Type 1 (0 cases)
Type 3 (2 cases)
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Strategic Plan: Major Objectives
• wild virus interruption
• Sabin 2 removal
• containment & certification
• legacy planning
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Post-OPV surveillance
2013 2014 2015 2016 2017 2018 2019
Years
Wild Virus Eradication
Sabin Virus Elimination
Last wild polio case
WPV Phase 2 containment
WPV certification
Containment & Certification Wild virus eradication
At least 1-dose IPV introduction
Sabin 2 cessation
Sabin 1 & 3 cessation
Sabin 2 elimination & validation
Pre-requisites for OPV2 cessation
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Current Gap: US$ 700 m Firm Prospects: US$ 360 m Best Case Gap: US$ 340 m
Financing gap, 2012-13
OPV campaigns were
cancelled in >25 high
risk countries due
to insufficient funds.
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Major Issues for SAGE Guidance
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• guidance on the Strategic Plan working draft & steps to revise it for Executive Board
• decision on IPV policy for a tOPV-bOPV switch
• advice on 'additional measures' to ensure timely completion of wild virus eradication