Low pathogenic avian influenza (poultry), Australia (OIE, February 3 2012): No New H5 Poultry Outbreak

[Giuseppe]

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


Low pathogenic avian influenza (poultry), Australia


Information received on 03/02/2012 from Dr Mark Schipp, Chief Veterinary Officer, Ministry of Agriculture, Fisheries and Forestry, Ministry of Agriculture, Fisheries and Forestry, Canberra, Australia

• Summary
  • Report type Follow-up report No. 1
  • Start date 25/01/2012
  • Date of first confirmation of the event 25/01/2012
  • Report date 03/02/2012
  • Date submitted to OIE 03/02/2012
  • Reason for notification First occurrence of a listed disease
  • Manifestation of disease Sub-clinical infection
  • Causal agent Low pathogenic avian influenza virus
  • Serotype H5
  • Nature of diagnosis Laboratory (advanced)
  • This event pertains to the whole country
  • Related reports
    • Immediate notification (27/01/2012)
    • Follow-up report No. 1 (03/02/2012)
• Outbreaks
  • There are no new outbreaks in this report
• Epidemiology
  • Source of the outbreak(s) or origin of infection
    • Unknown or inconclusive
• Epidemiological comments
  • Surveillance has been completed on all high risk tracing and neighbouring properties in the restricted area.
  • No further cases of LPAI have been detected.
  • Further surveillance is continuing.
  • H5 LPAI confirmed by Victorian Department of Primary Industries (DPI) and sequencing at the Australian Animal Health Laboratory.
  • N1 has been ruled out on N1-specific PCR.
  • Virus isolation and characterisation is being conducted.
  • The outbreak was confirmed on the index duck meat grower farm.
  • Due to close commercial links with a second duck breeding farm, the second farm has also been designated as infected premises being part of the same epidemiological unit.
  • Notes by the OIE Animal Health Information Department:
    • Since this is the first time that LPAI is identified in poultry in the history of the country, the reason for notification as first occurrence applies to the country but the event is in fact circumscribed to a small area as shown on the map.
    • H5 and H7 avian influenza in its low pathogenic form in poultry is a notifiable disease as per Chapter 10.4. on avian influenza of the Terrestrial Animal Health Code (2011).
• Control measures
  • Measures applied
    • Stamping out
    • Quarantine
    • Movement control inside the country
    • Screening
    • Zoning
    • Disinfection of infected premises/establishment(s)
    • Vaccination prohibited
    • No treatment of affected animals
  • Measures to be applied
    • No other measures
• Future Reporting
  • The event is continuing. Weekly follow-up reports will be submitted.

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