Better health and ageing for all Australians

Departmental Speeches

Pandemic Influenza - The Australian Response

Presentation by Professor John Horvath, Chief Medical Officer, to Phillips Fox Pty. Ltd, 5 April 2006.

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5 April 2006

Slide 1

Pandemic Influenza - The Australian Response
Phillips Fox Pty. Ltd, 5 April 2006

Slide 2

Pandemics have been documented since 1889, occurring in 10-40 year cycles. Historical anecdotes date pandemic like events as far back as 1100’s, some catastrophic.

Slide 3

Deaths
1918-19Spanish Influenza20-50 million
1957Asian Influenzaapprox. 1 million
1968-9Hong Kong Influenzaapprox. 1 million

Slide 4

[image: makeshift influenza hospital]

Slide 5: Affected countries with confirmed human cases of H5N1 avian influeza since 2003

Cambodia

  • Cases: 4
  • Deaths: 4

China

  • Cases: 15
  • Deaths: 10

Indonesia

  • Cases: 27
  • Deaths: 20

Iraq

  • Cases: 2
  • Deaths: 2

Thailand

  • Cases: 22
  • Deaths: 14

Turkey

  • Cases: 12
  • Deaths: 4

Vietnam

  • Cases: 93
  • Deaths: 42

Slide 6: "New" countries affected

Poultry

  • Albania
  • Azerbaijan
  • France
  • Austria
  • Romania
  • Russia
  • Turkey
  • Ukraine
  • Germany

Wild birds

  • Bosnia
  • Bulgaria
  • Croatia
  • Herzegovina
  • Greece
  • Italy
  • Switzerland
  • Sweden
  • Slovakia
  • Israel
  • Palestine Authority
  • Malaysia
  • Kazakhstan

Africa

  • Nigeria
  • Niger
  • Egypt

Slide 7: Avian influenza epidemic - human cases

  • First human cases in 1997 in Hong Kong with 18 cases and 6 deaths and again in 2002 with 3 deaths.
  • Widespread culling of poultry was carried out.
  • Widespread re emergence in 2003
  • WHO* notifications 190 cases with 107 deaths since 2003

* As at 03 April 2006


Slide 8: Turkey - human cases 2006

  • Strains similar to those from birds in China
  • 12 cases - 4 deaths, Jan - March 2006.
  • Mutation at receptor binding site - similar to 2003 strain from Hong Kong
  • Hong Kong strain binds more strongly to human cells than other strains
  • Studies continuing on Turkish isolates
  • Concern over potential for emergence of pandemic strain.
  • Clinical significance of mutations unknown.

Slide 9

[Graph: WHO confirmed H5N1 cases - reported August 2005 to March 2006]

Slide 10

[Graph: WHO confirmed H5N1 deaths - reported August 2005 to March 2006]

Slide 11: Impact of pandemic strain in Australia

In Australia’s population with an attack rate of 25% we would expect over 6-8 weeks:
  • 13,000 deaths (2,000 children, 7,000 elderly)
  • 57,900 hospitalisations
  • 2.6 million outpatient visits
  • Workplace absenteeism 30-50%

Source: Meltzer CDC 2003


Slide 12

[Graph: Death Rate vs. Age, NSW 1919 and 1970]

Slide 13

PeriodWHO PhaseAustralian PhaseDescription of Phase
Inter-pandemicAus 0No animal disease in Australia
1OS 1Animal infection overseas: low human risk
Aus 1Animal infection Australia: low human risk
2OS 2Animal infection overseas: high human risk
Aus 2Animal infection Australia: high human risk
Pandemic alert3OS 3Human infection overseas with new subtype(s): no human-to-human spread
Aus 3Human infection in Australia with new subtype(s): no human-to-human spread
4OS 4Human infection overseas- small cluster(s), limited human-to-human transmission
Aus 4Human infection in Australia- small cluster(s), limited human-to-human transmission
5OS 5Human infection overseas- larger cluster(s), substantial pandemic risk
Aus 5Human infection in Australia- larger cluster(s), substantial pandemic risk
Pandemic6OS 6Pandemic overseas- not in Australia: increased and sustained transmission in general population
Aus 6aPandemic in Australia- localised (one area of country)
Aus 6bPandemic in Australia- widespread (multiple areas)
Aus 6cPandemic in Australia- subsided
Aus 6dPandemic in Australia- next wave

Slide 14

Will it happen?

Slide 15: Preparedness 2003-2006

Department of Health

  • The National Incident Room upgraded
  • Increased resources centrally development of response plans and interagency roles
  • High level representation on peak committees
  • Scenario testing

Border (learning from SARS)

  • Training for border workers

  • Thermal scanners purchased

  • Development of border protocols:
    • positive pratique
    • customs

Slide 16: Preparedness 2003-2006

Surveillance

  • Development of rapid on line surveillance and case management tools
  • Secure networks

Laboratory

  • Upgrading of public health laboratory capacity
  • Relocation and upgrading of the WHO Collaborating Centre for influenza

Slide 17: Preparedness 2003-2006

Stockpile $342.7m
  • Additional antibiotics
  • Infection Control Equipment (masks, gloves)
  • Vaccination Packs
  • Negative Pressure Units
  • Quarantine Caches

Slide 18: Preparedness 2003-2006

Vaccines

  • Two contracts, on soil and overseas
  • Pandemic capacity plus research and development
  • Recent additional funding to CSL Ltd:
    • fast track clinical trials (finalise Sept 06)
    • immediate and potential stockpile
    • pandemic vaccine capacity

Slide 19: Preparedness 2003-2006

  • Establishment of The Office of Health Protection
  • Communications Strategy
  • Review of Urgent Research Needs
  • NHMRC and DoHA
  • Development of Australian Management Plan for Pandemic Influenza
  • International Support $140m

Slide 20

What will we do if it happens?

Slide 21: Containment

Keeping it out

Border control

  • screening to closure

Antiviral policy

  • for prophylaxis

Use of quarantine

  • home quarantine
  • Consideration of mass quarantine in Overseas 5 and 6

Slide 22: Border control options

CurrentPositive Pratique
Pratique by exceptionScreening of select arrivals:
  • declaration forms;
  • thermal scanning
  • nurse assessment
  • isolation and quarantine
Screening baggage for chicken productsScreening all arrivals
Health information sheetDiverting flights from specific locations

Slide 23: Containment

Stamping it out

  • Use of antivirals for prophylaxis
  • Treatment of index case
  • Use of home quarantine
  • Emphasis on early detection (testing)
  • May use internal border controls or 'ring fencing'

Slide 24: Maintenance of social function

Keep society functioning

  • Continuous antivirals
    • for health care workers
    • those at high risk of exposure
  • Post exposure prophylaxis
    • for those at less risk
  • Treatment if symptomatic
    • depends on effectiveness of antivirals
  • Quarantine
    • Still advised, monitoring to cease
    • Ban on mass gatherings advised to continue

Slide 25: Whole of Government approach: Interdepartmental committees

Prime Minister and Cabinet

  • Food Supply
  • Business Continuity
  • Social Services
  • Economic impact
  • Foreign Policy

Slide 26: Influencing peoples behaviour

  • Research
    • Commissioned research - Blue Moon
    • NHMRC projects
  • Education
  • Health promotion
  • Incentives
    • Family well being
    • Community rewards
  • Targeted messages
  • Enforcement

Slide 27

Social distancing

Slide 28: Communications

  • Phase specific during pandemic alert
  • Current educational materials:
    • Information kit for general practitioners
    • DVD on infection control
    • Department of Health and Ageing’s website
  • Qualitative research underway to inform Communications strategy and materials
  • Informed Communications strategy by June 2006

Slide 29

What will your business do?

Slide 30: Research

  • NHMRC pledged $7.5m to emergent infectious diseases research
  • $23.2m to upgrade the World Health Organisation collaborating influenza laboratory in Melbourne
  • Priorities for pandemic influenza:
    • Rapid diagnostic tests
    • Modeling public health interventions
    • Social issues/communication
    • Transmission parameters
    • Antivirals/vaccine development
    • Antiviral resistance

Slide 31

Thank you.

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