Animal Health Crisis Management AI Control Sino EU Forum Shanghai 2010

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Information about Animal Health Crisis Management AI Control Sino EU Forum Shanghai 2010
News & Politics

Published on March 11, 2014

Author: charmkey5

Source: slideshare.net

Description

At the invitation of DG SANCO, EFSA participated in the context of the Shanghai Expo 2010 in China to the Sino-European Food Safety Cooperation Forum, to the
Seminar on Research for Healthy life and to the Securing Food Safety for a Healthy Life Day from 4 to 11 June.

Former Chief Veterinary Officer of FAO, Mr. Joseph Domenech delivered a lecture on Animal Health Crisis Management in with respect to Avian Influenza Control in Asia.

The event was organised as part of the Better Training for Safer Food programme, which aims to train staff in
Member States and Third Countries in official controls on food.

The forum provided presentations and lectures by staff of the European Commission, the European Food Safety Authority and Member States.

Lectures were also given by representatives of the Chinese General Administration for Quality Supervision, Inspection and Quarantine (AQSIQ), the Ministry of Health, and the Ministry of Agriculture.

Sino-European Food Safety Cooperation Forum Shanghai, 07-11 June 2010 Animal Health Crisis Management Avian Influenza Control Mr. Joseph Domenech

An unprecedented crisis A complex epidemiology Socio economic impacts A major human risk

Importance of the crisis Destruction of assets : Over 300 million poultry have died Market shocks: Fears of consumers drive down demand Import bans Poultry prices: increased or decreased Global trade: winners and losers Substitution effects with alternative proteins Internationally 2004-05, 8% decline in global poultry trade. Shift in export of major players (FAO projections March 2006) 0 2 4 6 8 10 2003 2004 2005 2006r Milliontonnes Europe Asia South America North America

Livelihood impacts of disease and control programmes • Killing birds: compensation needed • Restriction of movement and sales: smallholders recover slowly and lose market share • Loss of income for food, education of children and other household expenses... • Changes to the structure of poultry market chains • Gender issue: poultry often owned and managed by women

A(H1N1) A(H2N2) A(H3N2) 1918: “Spanish Flu” 1957: “Asian Flu” 1968: “Hong Kong Flu” 20-40 million deaths 1-4 million deaths 1-4 million deaths Credit: US National Museum of Health and Medicine Human health dimension The risk of a human pandemic

Biodiversity issue Possible losses of valuable local breeds due to - Control methods (culling) - Restructuring of the poultry production sector More big commercial farms Marginalization of small/village backyard holders - Genetic resistance issue

RESERVOIRS DEAD-END hosts SPILLOVER GENE POOL ?? Epidemiology of H5N1 A complex cycle

Resistance of HPAI virus in the environment & indirect transmission

Specific role of duck farming systems in Asia Sub-clinical infection in ducks

Identification of risk factors Weak economies and animal health services Poultry production systems Movements Live bird markets Cultural practices Wild birds

ESTIMATED DISTRIBUTION OF POULTRY (SOURCE: FAO)

Production systems

124 680 162 215 337 72 123 121 108 53 49 85 97 66 59 246 281 726 221 134 87 82 177 50 58 190 195 115 84 150 101 Trade

• Local, regional, international trade – legal – Illegal • Captive wild birds Crested Hawk-Eagles confiscated at Brussels International Airport in the hand luggage of a Thai passenger...

Live bird markets: mixing species poorly regulated

Movements of animals

Cultural practices

Wild bird migrations Northern Pintail ringing recoveries What is the role of wild birdsWhat is the role of wild birds Victim or the problem ? Sentinel or spreader ? Reservoir of virus?

Lake Quinghai China 15 April 2005 – Bar headed goose – Great Cormoran – Goéland ichthyaète – Brown headed gull – Tadorne casarca >519 morts (Marc Artois)

August 2005 Ducks, Geese and Swans 100 deaths Husvel/Bulgan. Mongolia

Original focu An alarming spread westwardsAn alarming spread westwards New areas affectedNew areas affected

Emergence Due to complex and numerous factors - Globalisation of exchanges - Climate changes - Demography, urbanisation - Intensification of the production - Evolution of ecosystems…

Livestock Production systems Human behaviour Virus eco- epidemiology Pandemic threat Pandemic threat Goose/GD/96 (China, Guandong, 1996) W eak Veterinary Services Wild birds: reservoir or victim? EMERGENCE OF HPAI IN ASIA

Virus genetic and antigenic evolution – Gs/GD/1/96 virus has evolved during the last 10 years resulting in 10 HA clades in this lineage. – Clade 2 virus has become the dominant one since 2005 in Southeast Asia as well as in the world – Only clade 2.2 is found outside of Southeast Asia while 2.2 is not common in this region. – It is also changing antigenically while antigenicity of classic H5N1 viruses were quite stable With few exceptions like in China and Indonesia, with an impact on vaccine efficacy Where is this evolution going and what will its impact be?

ck/Nongkhai/NIAH400802/07ck/TH/NP172/06Guangzhou/1/06JapaneseWhiteEye/HK/1038/06 Anhui/1/05dk/Laos/3295/06ck/Malaysia/935/06commonmagpie/HK/645/06Zhejiang/16/06JapaneseWhiteEye/HongKong/73720/07WhiteBackedMunia/HongKong/82820/07 Guangxi/1/05dk/Guiyang/3009/05dk/Guiyang/3242/05gs/Guiyang/3422/05ck/Guiyang3/055/05gs/Yunnan/4494/05 gs/Guangxi/3017/05gs/Guangxi/345/05gs/Guangxi/3316/05dk/Hunan/127/05dk/Hunan/149/05dk/Hunan/152/05dk/Hunan/139/05 Egypt/0636NAMRU320/07Egret/Egypt/1162NAMRU3/06dk/Egypt/22533/06Egypt/14724NAMRU320/06turkey/Turkey1//05WhooperSwan/Mongolia/244/05Nigeria/6e20/07ck/Nigeria/641/06Turkey/15/06Iraq/207NAMRU3/06Azerbaijan/001161/06ck/Krasnodar/01/06swan/Iran/754/06ck/Liaoning/23/05Barhdgs/Qinghai12/05Barhdgs/Qinghai1A/05ck/Kyoto/3/04crow/Kyoto/53/04ck/Yamaguchi/7/04 ck/Korea/ES/03dk/Guangxi/13/04 ck/YN/115/04ck/YN/374/04 Indonesia/CDC1046/07Indonesia/CDC103220/07Indonesia/CDC938/06Indonesia/CDC887/06Indonesia/CDC1047/07 Indonesia/283H/06Indonesia/326N/06Indonesia/CDC742/06Indonesia/370E/06Indonesia/5/05Indonesia/CDC940/06 Indonesia/546bH/06Indonesia/596/06Indonesia/599/06Indonesia/625/06dk/Indonesia/MS/04ck/Indonesia/4/04ck/Indonesia/11/03 ck/Indonesia/7/03VN/JP14/05 ck/Cambodia/013LC1b/05VN/1194/04 VN/1203/04 VN/HN3/0408/05TH/16/04 TH/676/05 VN/JPHN30321/05HK/213/03ck/Henan/16/04ck/Henan/01/04ck/Henan/13/04 ck/Henan/12/04dk/Guangxi/50/01ck/HK/YU777/02 ck/HK/YU22/02migdk/Jiangxi1653/05 dk/Guangxi/2775/05ck/Hunan/41/04blbird/Hunan1/04treesparrow/Henan/4/04dk/Hubei/wg/02sw/Anhui/ca/04 dk/Guangxi/1378/04dk/Guangxi/1681/04dk/Guangxi/1311/04dk/Guangxi/2396/04ck/Hunan/2292/06ck/Shanxi/2/06ck/Myanmar/06010011B/06dk/Guiyang/504/06 ck/Guiyang237/06gs/Guiyang/337/06 gs/Guiyang/1325/06ck/Guiyang441/06ck/Guiyang1218/06ck/Guiyang846/06ck/HK/8911/01 ck/HK/SF219/01ck/HK/8791/01 gs/Guangdong/1/96 0.005 2.3.4 2.3.3 2.3.2 2.3.1 2.2 2.4 2.5 2.1.3 2.1.2 2.1.1 1 8 9 6 5 7 4 3 0 Genetic evolution of Asian-lineage HPAI H5N1 virus (HA gene) Parent virus Gs/GD/1/96 has evolved during 1996- 2008 resulting in 10 different clades.

Shift of Dominant HA clade of H5N1 viruses in Southeast Asia during 1996-2007                       Year HA clades Total   0 1 2 3 4 5 6 7 8 9 Out   96-99 29                     29   2000 17     3   1           21   2001 18     43   1       1 2 65   2002 17 17 3   7 3 1   7 2 8 65   2003 4 25 33 1 1 5   1 1 7 8 86   2004 4 171 49     16 3 3   14 5 265   2005 3 112 170   1     7 1 9 1 304   2006 5 5 122   5     1   1   139   2007   12 94                 22   Total 97 342 471 47 14 26 4 12 9 34 24 1080 ExistMajor clade of the year Dominant HA clade has shifted from 0 to 1 in 2002-03 Dominant HA clade has shifted from 1 to 2 in 2003-05 HA clade 2 is now dominant = why?

Thailand             Year HA clades   0 1 2 3 4 5   96-99               2000               2001               2002               2003               2004               2005               2006               2007               2008             China             Year HA clades   0 1 2 3 4 5   96-99               2000               2001               2002               2003               2004               2005               2006                                             South Vietnam         Year HA clades 0 1 2 3 4 5 96-99             2000             2001             2002             2003             2004             2005             2006             2007             2008             North Vietnam         Year HA clades 0 1 2 3 4 5 96-99             2000             2001             2002             2003             2004             2005             2006             2007             2008             NORTH VIETNA M SOUTH VIETNA M THA I CHIN A Different pattern between North and South Vietnam North is similar with South China that indicates multiple introduction of virus since 2001 including new clade 7 South has similar pattern with Thailand till 2007.

Possible H5N1 Virus Circulation Pattern in Vietnam

HA clades of HPAI H5N1 in the World 2.2 2.2 2.2 2.2 2.2 1 2. 3 2.1 1 2. 3 2.1 2. 2 2.3 2.4 2.5 ? 2. 32 .4 2. 5

Some Epidemiologic Differences Between Africa and Asia • Poultry and human densities • Wetland free ranging duck production systems absent • Survival of the virus in the environment: temperature... • Less contacts between wild birds and domestic poultry

Official declarations OIE and WHO FAO analysis HPAI situation

HPAI in humans 2003 to 2009

0 10 20 30 40 50 60 2003 2004 2005 2006 2007 2008 2009 2010* New ly infected countries Previously infected countries HPAI in poultry Infected countries 2003 to 2010

Outbreaks of HPAI in domestic poultry and Wild birds, April 2009-April 2010

• Improvement of the situation compared with 2006 More transparency, more awareness and preparedness Less outbreaks A set of tools (culling, biosecurity, vaccination, etc) available and deployed to control the disease • Epidemiology and socio economic impacts are better known • But the virus is still present in around 10 countries • Recurrent introduction or reintroduction of the virus in countries or regions

China

Confirmed HPAI 2003 2004 2005 2006 2007 2008 2009 Poultry outbreaks 0 50 31 10 4 8 2 Human cases (1) 0 8 13 5 4 7 China

Indonesia HPAI in humans and poultry 2004-2009

Indonesia Outbreaks in 2009

0 2 4 6 8 10 12 14 16 Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Feb Month NumberofHPAIoutbreaks/cases Bangladesh Bhutan India Nepal Reported outbreaks of HPAI in South Asia 2009-10

HPAI outbreaks In Bangladesh

Bangladesh Occurrence of HPAI since March 2007

0 2 4 6 8 10 12 14 Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan 2008 2009 10 Numberofoutbreaks HPAI outbreaks in India

0 5 10 15 20 25 30 35 40 45 50 Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan 2008 2009 10 Numberofoutbreaks HPAI outbreaks in Egypt

Tools and strategies to control HPAI exist – Surveillance and Disease intelligence – Stamping out – Biosecurity – Movement control – Vaccination

Surveillance Active and passive surveillance Randomized versus intelligence Targeted surveillance (risk based) Specific case of wild birds Special tools such as the SMS Gateway system

Random versus. Intelligence • Reduces bias • Requires careful planning • Long time frame • Clustering • Key informants • Open-ended • Discovery • Identify risk areas • Rapid Community-Based Disease Surveillance

Targeted surveillance and monitoring of virus circulation based on risk analysis

Disease intelligence Particularly to address the emergence or re emergence of new pathogens with regard to global changes, hot spots identification Specific concepts, approaches, methods and tools to be used

Disease Intelligence and Tracking 60% of the 1400 infectious agents of humans have an animal origin; and 75% of new infectious diseases have originated from animal reservoirs Stopping animal diseases ‘at source’ by: • Identifying determinants and drivers of disease emergence and spread • Modelling, mapping and forecasting disease trends and outbreaks • Generating information and data for early warning and response • Tracking genetic evolution of pathogens to improve diagnostics and vaccines

GoogleGoogleTMTM

Control of movements Enforcement may be very difficult

Culling Compensation Enforcement can be very difficult Needs compensation Management of compensation funds can be difficult: various systems exist

Vaccination An important tool – Good quality: OIE Standards - Cost (0.5 to 0.8 USD) and share of cost – Post-vaccination monitoring – DIVA approach – Control of virus circulation – Exit strategy

FAO-OIE-WB Report on Biosecurity: Issues and options August 2008

Develop, test and promote biosecurity measures that are: Developed in a participatory manner Practical and affordable Proportionate to risk Tailored to situation and production system Biosecurity

Biosecurity Production practices/ socio-cultural aspects Transport/Marketing Processing

International Cooperation FAO - OIE GF TADS Global Framework for the Progressive Control of Transboundary Animal Diseases International Cooperation FAO - OIE GF TADS Global Framework for the Progressive Control of Transboundary Animal Diseases

Crisis Management Center Global Early Warning System Available Tools at the Global Level

Needs and Gaps for Avian and Human Influenza in Africa ALive provisional Proposal GLEWS Global Early Warning System A major component of GF TADs Initiative

Regional Networks: - Epidemiology - Diagnostic and research laboratories - Socio economics - Communication FAO OIE Regional Animal Health Centers

Intersectoral Cooperation - Human and animal health systems To be in strong interraction and collaboration No fusion. Specific mandates, partners and stakeholders, methods and tools - Other sectors: wildlife, environment, trade, turism, police, medias, land management…

Global results - Less contaminated countries - More sensibilisation and commitment - Improved transparency - More awareness and preparedness - Strenghthened Veterinary Services - Better knowledge of the disease epidemiology and of root causes of emergence and spread

Is eradication possible? - Eradication of all Influenza A viruses is not an option given the highly diverse gene pool of viruses circulating in the wild waterbird reservoir, in livestock and humans - In most situations H5N1 HPAI freedom remains a viable objective - More difficult is the control of H5N1 HPAI in environments where both traditional domestic waterfowl production, including rice- duck agriculture, and commercial chicken plants coincide in the farming landscape - Endemic situations require a cautious balancing of all tools and methods available to contain H5N1 virus spread and persistence

Lessons learnt Need to be ready to respond to emergencies Stop the outbreaks before they spread and become a crisis Emergency short term improved capabilities

Credo Surveillance Early Warning Early detection Early response

Need to better address the Socio Economic issues • Economic analysis inputs to disease epidemiology to support risk assessments • Socio economic impacts of HPAI • Costs and cost-effectiveness of prevention and control measures • Long Term Restructuring and Socio economic impacts on small holders, • Mitigation options • Impacts on biodiversity

Need to develop more focus on disease drivers and not only on disease events

Public-Private partnership At all levels Surveillance Prevention Control Small holders-villagers Participatory approaches

Capacity building Training Communication and Information

Information and Awareness • Information and dialogue with commercial farmers • Need for information and compliance of the population – information on vaccination – information on logistics • Cooperation of farmers and village heads is crucial for an effective implementation of control programmes

Information and Awareness Provision of information through multi-track Campaigns to ensure Informed decision making processes and producers’ participation

Remaining gaps • Virology • Epidemiology • Trade routes • Wildfife • Socio economics • Vaccines … Need for Research

Remaining gaps (cont.) … Need for research Transmission Animals-Humans

- Government and private sector commitment - Private-public partnership - Participatory approaches - Restructuring of the poultry sector with mitigation of possible adverse impacts Responding to challenges

Based on - Strong Veterinary Services - Biosecurity, Movement Control - Communication - Laws and Regulations - Public Private Partnership

Roots of Disease Emergence Long term global approaches One World One Health Strategy

More investment More Political Commitment to implement and enforce the Prevention and Control Measures

Thank you for your attention

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