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Highly pathogenic avian influenza H7N2, Australia (OIE, October 16 2013): 1 New Poultry Outbreak in NSW

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  • Highly pathogenic avian influenza H7N2, Australia (OIE, October 16 2013): 1 New Poultry Outbreak in NSW

    [Source: OIE, full document: (LINK). Edited.]


    Highly pathogenic avian influenza H7N2, Australia


    Information received on 16/10/2013 from Dr Mark Schipp, Chief Veterinary Officer, Ministry of Agriculture, Fisheries and Forestry, Ministry of Agriculture, Fisheries and Forestry, Canberra, Australia
    • Summary
      • Report type Immediate notification
      • Date of start of the event 08/10/2013
      • Date of pre-confirmation of the event 14/10/2013
      • Report date 16/10/2013
      • Date submitted to OIE 16/10/2013
      • Reason for notification Reoccurrence of a listed disease
      • Date of previous occurrence 20/03/2013
      • Manifestation of disease Clinical disease
      • Causal agent Highly pathogenic avian influenza virus
      • Serotype H7N2
      • Nature of diagnosis Laboratory (advanced)
      • This event pertains to a defined zone within the country

    • New outbreaks
      • Summary of outbreaks
        • Total outbreaks: 1
          • Outbreak Location - NEW SOUTH WALES ( Young )
          • Total animals affected: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
            • Birds - 435000 - 18000 - 18000 - 0 - 0

          • Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
            • Birds - 4.14% - 4.14% ? 100.00% - 4.14%
            • * Removed from the susceptible population through death, destruction and/or slaughter;

    • Epidemiology
      • Source of the outbreak(s) or origin of infection
        • Unknown or inconclusive

    • Epidemiological comments
      • A Restricted Area of 1km diameter surrounded by a 10km diameter Control Area has been established around the property, which is under quarantine restriction.
      • Tracing of all movements (birds, people, vehicles and eggs) are under way.
      • An epidemiological investigation is under way to determine the source of the infection.

    • Control measures
      • Measures applied
        • Quarantine
        • Movement control inside the country
        • Screening
        • Zoning
        • Vaccination prohibited
        • No treatment of affected animals

      • Measures to be applied
        • Stamping out
        • Disinfection of infected premises/establishment(s)

    • Diagnostic test results
      • Laboratory name and type - Elizabeth Macarthur Agricultural Institute ( Local laboratory )
        • Tests and results: Species - Test - Test date - Result
          • Birds - polymerase chain reaction (PCR) - 14/10/2013 - Positive

      • Laboratory name and type - Australian Animal Health Laboratory ( National laboratory )
        • Tests and results: Species - Test - Test date - Result
          • Birds - gene sequencing - 16/10/2013 - Positive
          • Birds - polymerase chain reaction (PCR) - 15/10/2013 - Positive

    • Future Reporting
      • The event is continuing. Weekly follow-up reports will be submitted.

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