Emergency Meeting of Ministers

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Emergency Meeting of Ministers
15 January 2004, Geneva
Launch of 'Intensified Plan'
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'Intensification' Activities, 2004

• Africa
• 3-6 polio campaigns in infected areas
• 100 million children
• 500 million OPV doses
• Asia
• 8 polio campaigns in infected areas
• 200 million children
• gt 1.5 billion doses of OPV

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Marking children
NIDs Monitoring, Asia
Marking houses
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Impact of 'Intensification', Asia Polio cases,
2003-4
Reported Polio Cases
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Impact of 'Intensification', AsiaFocal
Transmission at 1 Jan 2005
Pakistan/Afghan
India
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Changing Epidemiology, Africa
2004
2003
Endemic countries
Wild virus type 1 Wild virus type 3
Re-established transmission countries
Case or outbreak following importation
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Synchronized NIDs Africa
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Opportunities, Africa

• Immunization restarted throughout Nigeria.
• Strong political support in all countries.
• Epidemic is slowing in most countries.
• 3 synchronized campaigns planned Feb-May.

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Surveillance Quality, 2004
Surveillance Quality, 2004
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Issues for Global Intensification

• Quality of polio campaigns.
• Risk of spread to new countries.
• Conducting campaigns in all areas.
• Quality of surveillance.

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Non-polio AFP Rates
Surveillance Gaps, 2004
Sample Collection
lt 60
60-80
gt 80
No AFP
Data in WHO HQ as of 05 January 2004
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Polio endemic countries, Africa 1996, 2002, 2004
2004
2002
1996
Polio endemic
Re-established transmission
Polio importation
1996 status reflects confirmed cases based on
virologic and clinical criteria.
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Polio Cases, Africa
Reported Polio Cases
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Impact of OPV Suspension, NigeriaPoliovirus
spread, 2004
Nigeria gt700 cases. Polio re-established in 5
polio-free countries.
Kano, Nigeria restarted OPV on 31 July.
Wild virus type 1
Wild virus type 3
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Potential mOPV Impact

• Marked increase in individual immunity.
• Up to 50 decrease in subsequent excretion.
• Increased secondary spread.

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Sequence Data - Africa
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Surveillance Gaps West Central Africa, 2004
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Polio Situation at end-2004!
Polio Endemic countries (indigenous WPV)
Polio Re-established (imported WPV gt 6 mos)
Polio Importations (imported WPV lt 6 mos)
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Comparison of Program Quality OPV in children
6-59 months (NPAFP cases)
Nigeria (north states)
Niger
Egypt
Pakistan
Afghanistan (South, SE, East)
India (UPBihar)
High coverage but very efficient transmission.
Improving OPV coverage but still gaps in key
areas.
Large OPV coverage gaps in both countries.
children with gt3 OPV doses