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Low pathogenic avian influenza H5 (poultry), Australia (OIE, March 8 2013): 1 New Outbreak

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  • Low pathogenic avian influenza H5 (poultry), Australia (OIE, March 8 2013): 1 New Outbreak

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


    Low pathogenic avian influenza (poultry), Australia


    Information received on 08/03/2013 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 14/02/2013
      • Date of pre-confirmation of the event 08/03/2013
      • Report date 08/03/2013
      • Date submitted to OIE 08/03/2013
      • Reason for notification Reoccurrence of a listed disease
      • Date of previous occurrence 05/06/2012
      • Manifestation of disease Sub-clinical infection
      • Causal agent Low pathogenic avian influenza virus
      • Serotype H5
      • Nature of diagnosis Laboratory (advanced)
      • This event pertains to a defined zone within the country
    • New outbreaks (1)
      • Outbreak 1 - Henley Brook, WESTERN AUSTRALIA
        • Date of start of the outbreak 14/02/2013
        • Outbreak status Continuing (or date resolved not provided)
        • Epidemiological unit Village
        • Affected animals: Species Susceptible Cases Deaths Destroyed Slaughtered
          • Birds - 95 1 - 0 95 0
          • Affected population: One duck from a flock of backyard poultry (ducks and chickens) was found to be infected with low pathogenic avian influenza H5. This was an incidental finding.
    • Summary of outbreaks
      • Total outbreaks: 1
        • Total animals affected: Species Susceptible Cases Deaths Destroyed Slaughtered
          • Birds 95 1 0 95 0
        • Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
          • Birds - 1.05% - 0.00% - 0.00% - 100.00%
          • *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
      • All backyard birds involved have been euthanased.
      • Tracing and testing of contact birds is continuing.
      • A 1km Restricted Area has been established around the premises.
      • The N type is yet to be determined.
    • Control measures
      • Measures applied
        • Stamping out
        • Quarantine
        • Movement control inside the country
        • No vaccination
        • No treatment of affected animals
      • Measures to be applied
        • Disinfection of infected premises/establishment(s)
    • Diagnostic test results
      • Laboratory name and type Species Test - Test date Result
        • Australian Animal Health Laboratory (National laboratory) Birds - gene sequencing - 08/03/2013 Positive
        • Australian Animal Health Laboratory (National laboratory) Birds - reverse transcription - polymerase chain reaction (RT-PCR) - 08/03/2013 Positive
    • Future Reporting
      • The event is continuing. Weekly follow-up reports will be submitted.
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