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[TD="align: left"]Low pathogenic avian influenza (poultry),
Australia[/TD]
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[TD]Information received on 11/08/2020 from Dr Mark Schipp, Chief Veterinary Officer, Department of Agriculture, Water and the Environment, Australian Government, Canberra, Australia[/TD]
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[TD]Summary
[TD="width: 10%"]Report type[/TD]
[TD="width: 30%"]Immediate notification[/TD]
[TD="width: 10%"]Date of start of the event[/TD]
[TD="width: 30%"]07/08/2020[/TD]
[TD="width: 10%"]Date of confirmation of the event[/TD]
[TD="width: 30%"]10/08/2020[/TD]
[TD="width: 10%"]Report date[/TD]
[TD="width: 30%"]11/08/2020[/TD]
[TD="width: 10%"]Date submitted to OIE[/TD]
[TD="width: 30%"]11/08/2020[/TD]
[TD="width: 10%"]Reason for notification[/TD]
[TD="width: 30%"]Recurrence of a listed disease[/TD]
[TD="width: 10%"]Date of previous occurrence[/TD]
[TD="width: 30%"]27/06/2013[/TD]
[TD="width: 10%"]Manifestation of disease[/TD]
[TD="width: 30%"]Clinical disease[/TD]
[TD="width: 10%"]Causal agent[/TD]
[TD="width: 30%"]Low pathogenic avian influenza virus[/TD]
[TD="width: 10%"]Serotype[/TD]
[TD="width: 30%"]H5N2[/TD]
[TD="width: 10%"]Nature of diagnosis[/TD]
[TD="width: 30%"]Clinical, Laboratory (basic), Laboratory (advanced)[/TD]
[TD="width: 10%"]This event pertains to[/TD]
[TD="width: 30%"]a defined zone within the country[/TD]
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[TD]New outbreaks (2)[/TD]
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| Bairnsdale, Victoria | |
| Date of start of the outbreak | 07/08/2020 |
| Outbreak status | Continuing (or date resolved not provided) |
| Epidemiological unit | Farm |
| Affected animals |
| Species | Susceptible | Cases | Deaths | Killed and disposed of | Slaughtered | | Birds | 5440 | | 34 | 0 | 0 |
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| Affected population | 3000 18 week old turkeys, including 7-800 moved from the Lethbridge property. 2440 3-4 week old turkey poults. |
[TD="align: left"]Outbreak 1[/TD]
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| Lethbridge, Victoria | |
| Date of start of the outbreak | 08/08/2020 |
| Outbreak status | Continuing (or date resolved not provided) |
| Epidemiological unit | Farm |
| Affected animals |
| Species | Susceptible | Cases | Deaths | Killed and disposed of | Slaughtered | | Birds | 7200 | | | 0 | 0 |
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| Affected population | 4500 mixed age turkeys and 2700 spent layer hen/rooster on a property within the current restricted area established for HPAI |
[TD="align: left"]Outbreak 2[/TD]
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| Total outbreaks: 2 | |
| Total animals affected |
| Species | Susceptible | Cases | Deaths | Killed and disposed of | Slaughtered | | Birds | 12640 | ** | 34 | 0 | 0 |
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| Outbreak statistics |
| Species | Apparent morbidity rate | Apparent mortality rate | Apparent case fatality rate | Proportion susceptible animals lost* | | Birds | ** | ** | ** | ** |
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[TD="align: left"]Summary of outbreaks[/TD]
[TD="colspan: 2"]*Removed from the susceptible population through death, destruction and/or slaughter[/TD]
[TD="colspan: 2"]**Not calculated because of missing information[/TD]
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[TD]Epidemiology
| Source of the outbreak(s) or origin of infection |
- Unknown or inconclusive
- Contact with wild species
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| Epidemiological comments | A mixed turkey/ spent layer hen farm within the existing restricted area for HPAI was sampled following notification of clinical signs. A second commercial turkey farm near Bairnsdale was investigated due to recent movement of 7-800 turkeys from the first property. |
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[TD]Control measures
| Measures applied |
- Movement control inside the country
- Surveillance outside containment and/or protection zone
- Surveillance within containment and/or protection zone
- Quarantine
- Vaccination prohibited
- No treatment of affected animals
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| Measures to be applied |
- Official disposal of carcasses, by-products and waste
- Stamping out
- Disinfection
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[TD]Diagnostic test results
| Laboratory name and type | Species | Test | Test date | Result |
| Australian Centre for Disease Preparedness (OIE Reference Laboratory) | Birds | gene sequencing | 09/08/2020 | Positive |
| Australian Centre for Disease Preparedness (OIE Reference Laboratory) | Birds | real-time PCR | 09/08/2020 | Positive |
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[TD]Future Reporting
| The event is continuing. Weekly follow-up reports will be submitted. |
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https://www.oie.int/wahis_2/public/w...reportid=35377