Highly pathogenic avian influenza,
Australia
Information received on 04/09/2020 from Dr Mark Schipp, Chief Veterinary Officer, Department of Agriculture, Water and the Environment, Australian Government, Canberra, Australia
Summary
Report type Follow-up report No. 5
Date of start of the event 24/07/2020
Date of confirmation of the event 31/07/2020
Report date 04/09/2020
Date submitted to OIE 04/09/2020
Reason for notification Recurrence of a listed disease
Date of previous occurrence 21/02/2014
Manifestation of disease Clinical disease
Causal agent Highly pathogenic avian influenza virus
Serotype H7N7
Nature of diagnosis Clinical, Laboratory (basic), Laboratory (advanced), Necropsy
This event pertains to a defined zone within the country
Related reports Immediate notification (31/07/2020)
Follow-up report No. 1 (07/08/2020)
Follow-up report No. 2 (11/08/2020)
Follow-up report No. 3 (18/08/2020)
Follow-up report No. 4 (25/08/2020)
Follow-up report No. 5 (04/09/2020)
Outbreaks There are no new outbreaks in this report
Epidemiology
Source of the outbreak(s) or origin of infection
  • Unknown or inconclusive
  • Contact with wild species
Epidemiological comments Depopulation and burial on the first affected property is complete. Disinfection is in progress. Depopulation of the second affected property is complete. Off-site disposal is continuing. disinfection is in progress. A third property with no livestock - a composting site with known high risk trace to the second infected property - has confirmed molecular evidence of H7 influenza A and is also under quarantine. A fourth property located within the restricted area was confirmed on 25 August. Depopulation has been completed. Disposal is underway. Surveillance both within and outside the restricted area is ongoing.
Control measures
Measures applied
  • Movement control inside the country
  • Surveillance outside containment and/or protection zone
  • Surveillance within containment and/or protection zone
  • Traceability
  • Quarantine
  • Stamping out
  • Vaccination prohibited
  • No treatment of affected animals
Measures to be applied
  • Disinfection
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.