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Kenya: The Wild Poliovirus Threats

Kenya: The Wild Poliovirus Threats. The Siege: Spread of poliovirus in 2004/5. Yemen. Sudan. Uganda. Kenya. Tanzania. Danger of WP imports to Kenya from Yemen, Somalia, Sudan, Ethiopia and through DRC/Uganda from Angola. The Siege: Risk of Poliovirus spread. Yemen. Sudan. Uganda.

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Kenya: The Wild Poliovirus Threats

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  1. Kenya: The Wild Poliovirus Threats

  2. The Siege: Spread of poliovirus in 2004/5 Yemen Sudan Uganda Kenya Tanzania Danger of WP imports to Kenya from Yemen, Somalia, Sudan, Ethiopia and through DRC/Uganda from Angola

  3. The Siege: Risk of Poliovirus spread Yemen Sudan Uganda Kenya Tanzania WPV in Nairobi will spread to all parts of the world

  4. Threats from Sudan

  5. The Sudan Threat: Spread follows the West African Islamic Hajj route to Mecca, Saudi Arabia

  6. The Sudan Threat: Export, Ethiopia July 2005: SUD04-2005720674 SUD-SDA-2004-028 Neyala 13Oct04… ETH-ORO-EHA-05-404 NICD EPL-05-807 E Hararghe 05Jul05 Export, Eritrea, May 2005: SUD04-2005721663 SUD-KAS-2004-016 Kassala 23Nov04… ERI-GAB-GOG-05-013 NICD 635/2005 Gogne 01May05

  7. Epidemiologic Situation / Activities • Last WPV Case – July 2005 • SIAs: The Darfour States (20 – 22 August) coordinated with SIA in Chad • The rest of Sudan (27 August to 29 August) • September 28-30 • Red Sea State/Eritrea Border not covered

  8. Threat from Yemen

  9. The Yemen Threat Exports to Somalia: YEM05-2005725542 YEM-ADN-2005-565-08 Dar Saad 13Jun05 … SOM-BAN-WDB-05-001 NICD 753/2005 Mogadishu S - Wardigley 23Jul05 … SOM-BAN-YQA-05-003 NICD 789/2005 Mogadishu S - Yaqshid 03Aug05 EMRO 23-06-05

  10. Wild polio cases in Yemen in relation to SIAs (As of 07 of September 2005) From 30 of April to 8th of June 05 Before end of April 05 Round 1 April 2005 185 cases 167 cases Round 2 30 May- 1 June 2005 Round 3 12 Jul-14 Jul 2005 From 9th of June to 22 July 05 From 23rd of July to date Last WP Case was in Almahara, Date of Onset 2nd August 2005 96 cases 8 cases EMRO 07-09-05

  11. Threat from Ethiopia

  12. Distribution of Polio Compatible and Confirmed Polio Cases, Ethiopia, 29 Sept 2005 Wild polio case Polio compatible case

  13. Epidemiology • 18 wild poliovirus cases confirmed since December 2004; (17 in 2005) • One new wild poliovirus case this week from East Harerge Zone of Oromia Region • Most recent case had symptom onset, August 12, 2005 • Sequencing of the virus from the first East Harerge cases shows closest match is with virus isolated in 2004 from Red Sea Province of Sudan. • 10 compatible cases • 9 cases with primary isolates pending ITD • Three of 11 Regions (provinces) reporting WPV cases; all P1

  14. Threat from Somalia

  15. Somalia Regions

  16. AFP/Polio cases in Mogadishu, 2005 Map 2

  17. Epidemiologic situation • Population under 15 years is 3,702,266. • Number of AFP cases(169). Their distribution is shown in table 1. • The increase is in the weeks 35-42. • 86 AFP cases were reported from Mogadishu. -12 are confirmed polio cases (all from Banadir). -8 discarded (laboratory negative). -2 pending ITD -64 still pending laboratory results. 46 (70%) of these had fever and asymmetric paralysis.

  18. Epidemiologic situation • More than 50% of cases under 2 years of age. • 50% of them did not receive any dose of OPV (zero dose). • Most of the cases are known chronic refusals. • No clusters seen in other regions.

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