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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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the siege spread of poliovirus in 2004 5
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
The Siege: Risk of Poliovirus spread

Yemen

Sudan

Uganda

Kenya

Tanzania

WPV in Nairobi will spread to all parts of the world

the sudan threat
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
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
slide9

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

slide10

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

distribution of polio compatible and confirmed polio cases ethiopia 29 sept 2005
Distribution of Polio Compatible and Confirmed Polio Cases, Ethiopia, 29 Sept 2005

Wild polio case

Polio compatible case

epidemiology
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
epidemiologic situation
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 situation1
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.