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2020-9-20 17:51:49


OIE: Low pathogenic avian influenza (poultry,H7N6), Australia
submited by kickingbird at Aug, 28, 2020 0:37 AM from OIE

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
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 8753 2000 100 0 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 8753 2000 100 0 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 22.85% 1.14% 5.00% 1.14%
*Removed from the susceptible population through death, destruction and/or slaughter
Epidemiology
Source of the outbreak(s) or origin of infection
  • Unknown or inconclusive
  • 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.
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