Low pathogenic avian influenza (poultry),
Australia
Information received on 26/08/2020 from Dr Mark Schipp, Chief Veterinary Officer, Department of Agriculture, Water and the Environment, Australian Government, Canberra, Australia
Summary
Report type Immediate notification
Date of start of the event 18/08/2020
Date of confirmation of the event 26/08/2020
Report date 26/08/2020
Date submitted to OIE 26/08/2020
Reason for notification Recurrence of a listed disease
Date of previous occurrence 27/06/2013
Manifestation of disease Sub-clinical infection
Causal agent Low pathogenic avian influenza virus
Serotype H7N6
Nature of diagnosis Laboratory (basic), Laboratory (advanced)
This event pertains to a defined zone within the country
Related reports Immediate notification (26/08/2020)
Follow-up report No. 1 (04/09/2020)
Follow-up report No. 2 (18/09/2020)
New outbreaks (1)
Outbreak 1 Kerang, Victoria
Date of start of the outbreak 18/08/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 5099 2000 100 4999 0
Affected population commercial emu farm
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 5099 2000 100 4999 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 39.22% 1.96% 5.00% 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
  • Contact with wild species
Epidemiological comments Clinical signs in chicks only.
Control measures
Measures applied
  • Movement control inside the country
  • Surveillance outside containment and/or protection zone
  • Surveillance within containment and/or protection zone
  • Traceability
  • Vaccination prohibited
  • No treatment of affected animals
Measures to be applied
  • Stamping out
  • Disinfection
Diagnostic test results
Laboratory name and type Species Test Test date Result
Australian Centre for Disease Preparedness (OIE Reference Laboratory) Birds gene sequencing 25/08/2020 Positive
Australian Centre for Disease Preparedness (OIE Reference Laboratory) Birds polymerase chain reaction (PCR) 25/08/2020 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations