Kenya the wild poliovirus threats
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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.

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Kenya: The Wild Poliovirus Threats

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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

Kenya

Tanzania

WPV in Nairobi will spread to all parts of the world


Threats from Sudan


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


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


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


Threat from Yemen


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


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


Threat from Ethiopia


Distribution of Polio Compatible and Confirmed Polio Cases, Ethiopia, 29 Sept 2005

Wild polio case

Polio compatible case


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


Threat from Somalia


Somalia Regions


AFP/Polio cases in Mogadishu, 2005

Map 2


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.


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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