FAO REGIONAL WORKSHOP ON NOTIFIABLE AVIAN INFLUNZA IN SOUTHERN AFRICA PRETORIA (SOUTH AFRICA
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FAO REGIONAL WORKSHOP ON NOTIFIABLE AVIAN INFLUNZA IN SOUTHERN AFRICA PRETORIA (SOUTH AFRICA ) 07 - 09 MARCH 2006. HIGHLY PATHOGENIC AVIAN INFLUENZA: EPIDEMIOLOGICAL SITUATION AND AU/IBAR STRATEGY FOR PREVENTION AND CONTROL. CONTENT. 1. EPIDEMIOLOGICAL SITUATION IN AFRICA

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FAO REGIONAL WORKSHOP ON NOTIFIABLE AVIAN INFLUNZA IN SOUTHERN AFRICA PRETORIA (SOUTH AFRICA) 07- 09MARCH 2006

HIGHLY PATHOGENIC AVIAN INFLUENZA: EPIDEMIOLOGICAL SITUATION AND AU/IBAR STRATEGY FOR PREVENTION AND CONTROL

Slide No.


Content
CONTENT SOUTHERN AFRICA PRETORIA (SOUTH AFRICA

  • 1. EPIDEMIOLOGICAL SITUATION IN AFRICA

  • 2. AU/IBAR STRATEGY

    • 2.1. Before outbreaks

    • 2.1. Suggestion to address the current situation

  • 3. CONCLUSION

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1 epidemiological situation
1. EPIDEMIOLOGICAL SITUATION SOUTHERN AFRICA PRETORIA (SOUTH AFRICA

  • Outbreaks confirmed:

    • NIGERIA, 126 Farms, + 445,000 chickens destroyed

    • NIGER: 1 Region 20,000

    • EGYPT: 7 Governates

  • Rumors and Suspicions:

    • North of Mali

    • Senegal

    • Mauritania

    • Chad

    • Cameroon

    • Ethiopia

    • Kenya

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2 au ibar strategy
2. AU/IBAR STRATEGY SOUTHERN AFRICA PRETORIA (SOUTH AFRICA

2.1. BEFORE OUTBREAKS

- PREVENTION

- CONTROL AND/OR ERADICATION

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Prevention
PREVENTION SOUTHERN AFRICA PRETORIA (SOUTH AFRICA

NATIONAL LEVEL

  • Awareness (sensitisation of stakeholders, training of professional staff):

  • Emergency preparedness plans (EPP):

  • Epidemiological surveillance (passive and active)

    REGIONAL LEVEL

  • Set up task force

  • Emergency funds and vaccines

  • Regional laboratories

  • Harmonisation and coordination actions

  • International Cooperation

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National level
NATIONAL LEVEL SOUTHERN AFRICA PRETORIA (SOUTH AFRICA

  • * RE-INFORCEMENT AND STRENGHTENING OF ESTABLISHED EPIDEMIO-SURVEILLANCE SYSTEM AND EXTENSION TO HPAI

  • * ESTABLISHMENT AND/OR REVITALIZATION OF EPIDEMIO-SURVEILLANCE SYSTEM IN NONE PACE COUNTRIES

  • * HIGH RISK COUNTRIES FOR INTRODUCTION OF HPAI: EGYPT, ETHIOPIA, KENYA, TANZANIA, CENTRAL AND WESTERN AFRICA

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National level1
NATIONAL LEVEL SOUTHERN AFRICA PRETORIA (SOUTH AFRICA

  • CONTROL OF MOVEMENT OF BIRDS AND PRODUCTS

    • Border controls

    • Ban on importation from infected countries and zone

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Regional level
REGIONAL LEVEL SOUTHERN AFRICA PRETORIA (SOUTH AFRICA

  • Task Force

  • Emergency Funds :

    • Compensation

    • Vaccine stock

  • Reinforcement of established ESS and their extension to none PACE countries

  • Harmonization and Coordination of actions

    • Regional harmonisation meetings

    • International Cooperation:

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Control and or eradication
CONTROL AND/OR ERADICATION SOUTHERN AFRICA PRETORIA (SOUTH AFRICA

3 options:

Option 1: Stamping out

- Destruction of infected and at-risk (depending on likelihood that birds are infected) poultry.

- As quickly as possible (within 24 h)

- Samples taken

- Vaccination of workers applying culling.

- Humane destruction

- Accurate records

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National level2
NATIONAL LEVEL SOUTHERN AFRICA PRETORIA (SOUTH AFRICA

Option 2: Modified stamping out using vaccination

- - Destruction of infected poultry

- USE OF VACCINATION: Reduces susceptibility to infection and decreases shedding therefore reduces the incidence of new cases and viral load in the environment. Tool to maximize bio-security.

- Vaccination in response to an outbreak: ring vaccination or vaccination of designated high-risk poultry.

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National level3
NATIONAL LEVEL SOUTHERN AFRICA PRETORIA (SOUTH AFRICA

Option 3: Blanket vaccination

-Pre-emptive “baseline” vaccination of all part of a population of poultry may be used if the risk of infection is high and/or the consequences of infection are very serious.

In addition to all 3 options:

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National level4
NATIONAL LEVEL SOUTHERN AFRICA PRETORIA (SOUTH AFRICA

  • EFFECTIVE SURVEILLANCE

  • BIOSECURITY: Bio-containment and bio-exclusion

  • CONTROL OF MOVEMENT OF BIRDS AND PRODUCTS

    - Movement of items from infected zones

    - Border controls

  • DISPOSAL OF CARCASSES AND POTENTIALLY INFECTIVE MATERIAL IN A BIOSECURE MANNER

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Regional level1
REGIONAL LEVEL SOUTHERN AFRICA PRETORIA (SOUTH AFRICA

  • Avail Emergency funds

  • International Cooperation

  • Harmonization and Coordination: sharing disease information

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Criteria for choice
CRITERIA FOR CHOICE SOUTHERN AFRICA PRETORIA (SOUTH AFRICA

CHOICE OF OPTION: COUNTRY DECISION BASED

ON:

- Epidemiological situation: national and regional

- Available resources: human, financial etc

- AO relevant information

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2 au ibar strategy contd
2. AU/IBAR STRATEGY (contd) SOUTHERN AFRICA PRETORIA (SOUTH AFRICA

2.2. Suggested strategy to address the current situation

  • Preliminary Lessons learnt from the current situation

    - delay in laboratory confirmation

    - Difficulties in sending samples to reference laboratories

    - Difficulties to determine the source of infection

    - Absence of means to implement the modified stamping without vaccination strategy

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2 au ibar strategy contd1
2. AU/IBAR STRATEGY (contd) SOUTHERN AFRICA PRETORIA (SOUTH AFRICA

  • Suggestions to countries in West Africa

    - Stamping out: country with 50 million

    1% of chicken population and 3 $/head: 1,500,000 $

    5% of chicken population and 3 $/head: 7,500,000 $

    10%: 15,000,000 $

  • + cost of other measures

  • - Modified stamping out: Half to be destroyed and half to be vaccinated

    750 000 $

    3,750,000 $

    7,500,000 $

    +/- cost of vaccination and + cost of other measures

  • Slide No.


    2 au ibar strategy contd2
    2. AU/IBAR STRATEGY (contd) SOUTHERN AFRICA PRETORIA (SOUTH AFRICA

    • Vaccination (1 year)

      In modified stamping out: half to be vaccinated

      0.5 % 250 000 heads X 0.1 $/head X 2 X 2: 100,000 $

      2.5 %: 500,000 $

      5 %: 1,000,000 $

      + personnel, vaccine storage and transport etc

      Blanket vaccination:

      80 %: 16,000,000 $ + personnel, vaccine storage and transport etc

    Slide No.


    3 conclusion
    3. CONCLUSION SOUTHERN AFRICA PRETORIA (SOUTH AFRICA

    • Best choice: seems to be modified stamping out.

    • Consider all the conditions for its efficient implementation

    • Vaccinations: Very Costly but could be used in some circumstances.

    • Suggestion for commercial farms: Kill all chickens, store and sell and then apply sanitary vacuum before re-stocking.

    Slide No.