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AVIAN INFLUENZA IN VIETNAM

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... Initial syndromes Fever Myalgia Headaches Cough Coryza Diarrhea Respiratory syndromes Chest paint Crepitation Pleura effusion Pneumothorax Respiratory ... – PowerPoint PPT presentation

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Title: AVIAN INFLUENZA IN VIETNAM


1
AVIAN INFLUENZA IN VIETNAMCum ga
  • Le Thi Kim Thoa MD. MPH
  • Senior lecturer of Hygiene and Epidemiology
  • Ha Noi Medical University
  • 1 Ton That tung Ha noi
  • Viet Nam
  • Telephone 84 4 5744 556
  • Fax 84 4 5744 557
  • E-mail lethikimthoa_hmu_at_yahoo.com
  • lethikimthoa_at_hmu.edu.vn

2
AVIAN INFLUENZA IN VIETNAM
  • Purpose To provide the lessons on avian flu in
    Viet Nam
  • Contents
  • Introduction
  • Short terms strategy
  • Long-terms strategy
  • Lessons learnt
  • How to keep sustainable

3
Introduction
  • Avian influenza A (AIA) is an infectious disease,
    caused by H5N1 virus that can survive for long
    periods in bird faeces for at least 35 days at
    temperature (40C
  • The disease occurs worldwide "bird flu"
  • H5N1 virus transmitted from farm to farm by the
    movement of live poultry (faeces), people (when
    contaminated shoes, clothing, vehicles,
    equipment, feed, and cages)
  • Restriction on the movement of live poultry, both
    within and between countries.

4
AIA H5N1 outbreaks
  • Began in Asia in mid-2003 reported by nine Asian
    countries (Viet Nam listed 2)
  • Now spread to Europe
  • Become endemics in several countries including
    Viet Nam among most chicken population Cum ga
  • In late July 2005, focus in Asia to affect
    poultry and wild birds in Russia
  • Greatest present concern for human health (number
    of cases and deaths)

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Cum ga OUTBREAKS in Viet Nam
  • Cum ga outbreaks among poultry population
    before humans
  • Three cum ga outbreaks among humans paralleled
    with three cum ga outbreaks in poultry
    population
  • Cum ga outbreaks among humans started the
    beginning 2004

8
Cum ga OUTBREAKS among poultry population
  • Cum ga outbreaks among poultry started 2003
  • Appear at the South first and then the North
  • Very fast speed
  • Spread out quickly
  • All (61 provinces) reported outbreaks in poultry
    44,5 millions poultry killed among 300 millions
    poultry population

9
Cum ga OUTBREAKS among humans in Viet Nam
  • Very severe disease, high mortality among
    infected patients
  • Children first and then adults
  • Rural and then urban
  • The first case on December , 2003
  • Total 93 cases and 42 deaths
  • CFR 45.2

10
Exposures detected
  • Directly contacted
  • Slaughtered ill poultry
  • Resided in poultry outbreak regions
  • Eaten swans blood curd
  • Contacted patients with H5N1
  • Care patients

11
Clinical featuresamong cum ga patients
  • Initial syndromes
  • Fever
  • Myalgia
  • Headaches
  • Cough
  • Coryza
  • Diarrhea
  • Respiratory syndromes
  • Chest paint
  • Crepitation
  • Pleura effusion
  • Pneumothorax
  • Respiratory failure
  • Others
  • Hepatomegaly
  • Delirium
  • Cerebral hemorrhage
  • Multiple organ failure

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14
Short term strategyEmergency actions
  • Communication
  • Build up a network for cum ga prevention
  • Provided relevant documents
  • Supervision at different levels
  • Destroy poultry and domestic birds
  • Meetings and training
  • Vaccinated for poultry
  • Supports from organizations and other countries

15
Communication
  • Contents
  • cum ga information
  • Relevant documents
  • Control measures
  • Relevant documents
  • Policies
  • Roles and tastes of all sectors and organizations
    at different levels
  • Mass media
  • Television
  • Newspapers
  • Radio
  • Meetings
  • Training
  • Internet

16
Body networking
  • Multi sectors participated
  • Health sector to be as a main coodinator
  • Central level
  • Provincial level
  • District level
  • Commune level
  • Village level
  • Group level

17
Relevant documents
  • Instructions
  • Government at different level
  • Health sector
  • Agriculture sector
  • Guidelines
  • Ministry of health
  • Ministry of argricultrure
  • Reports

18
Supervisions
  • Destroy poultry and their production including
    eggs at the outbreak areas, in a radius of 3 km
  • Do not allow poultry transport, buy and sell
    poultry and process poultry during outbreaks
  • Vaccination for poultry
  • Disinfestations for breeding facilities
  • Isolated uninfected poultry

19
Destroy poultry
  • Destroy completely in outbreak areas around
  • Forced destroy
  • Voluntary destroy
  • Destroyed numbers of poultry
  • From 10 Jan 2005 to 30 Jan 2006
  • Total poultry destroyed 3 962 528
  • - chickens 1 334 499
  • - ducks, swans and grooses 2 128 134
  • Destroy measures
  • Dig bury holes all suspected poultry
  • Burn infected and dead poultry

20
Supports
  • International organizations
  • USDP
  • WHO
  • UNICEF
  • 5 Countries 6.8 million USD
  • Australia
  • Holland
  • Finland
  • Switzerland
  • Luxembourg

21
Effects
  • Community participation in all activities from
    the central levels to individual level.
  • A lot of documents provided
  • Stop outbreaks among poultry in all provinces
  • No new human case in December 2005.
  • Vaccination has been process for all provinces

22
Impacted
  • To make the fear of eating poultry and their
    products
  • Severe losses economics
  • Loss a large and good foods
  • Markets in disorder (most prizes of food up)
  • Poultry farmers loss their incomes after dry
    storm, become the poor.
  • A big amount of valuable birds were killed

23
Long terms prevention
  • Objective No epidemic occur in both poultry and
    humans
  • Strengthen the supervision system at different
    level
  • Review and develop the policies realistic
  • To encourage all communities participating in
    prevention
  • Education of prevention measures
  • Continue to support from international
    organizations and countries
  • Sharing experiences

24
Lessons learnt
  • Identify the first case in both poultry and
    humans as soon as possible
  • Information on cum ga correctly in time
  • Participation
  • Produce the timely decisions
  • Develop policies in terms of compensations and
    loan fund supports
  • How to sustain the effects

25
  • cum ga outbreaks
  • In Viet Nam
  • outbreaks among poultry in 61 provinces (all)
  • outbreaks among humans in 32 provinces (gt50)
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