OIE: Low pathogenic avian influenza (poultry) ,Australia

Information received on 08/03/2013 from Dr Mark Schipp, Chief Veterinary Officer, Ministry of Agriculture, Fisheries and Forestry, Ministry of Agriculture, Fisheries and Forestry, Canberra, Australia

Summary

Report type
Immediate notification
Date of start of the event
14/02/2013
Date of pre-confirmation of the event
08/03/2013
Report date
08/03/2013
Date submitted to OIE
08/03/2013
Reason for notification
Reoccurrence of a listed disease
Date of previous occurrence
05/06/2012
Manifestation of disease
Sub-clinical infection
Causal agent
Low pathogenic avian influenza virus
Serotype
H5
Nature of diagnosis
Laboratory (advanced)
This event pertains to
a defined zone within the country

New outbreaks

Summary of outbreaks
Total outbreaks: 1
Outbreak Location
  • WESTERN AUSTRALIA ( Henley Brook )
Total animals affected
Species
Susceptible
Cases
Deaths
Destroyed
Slaughtered
Birds
95
1
0
95
0
Outbreak statistics
Species
Apparent morbidity rate
Apparent mortality rate
Apparent case fatality rate
Proportion susceptible animals lost*
Birds
1.05%
0.00%
0.00%
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
Epidemiological comments
All backyard birds involved have been euthanased. Tracing and testing of contact birds is continuing. A 1km Restricted Area has been established around the premises. The N type is yet to be determined.

Control measures

Measures applied
  • Stamping out
  • Quarantine
  • Movement control inside the country
  • No vaccination
  • No treatment of affected animals
Measures to be applied
  • Disinfection of infected premises/establishment(s)

Diagnostic test results

Laboratory name and type
Australian Animal Health Laboratory ( National laboratory )
Tests and results
Species
Test
Test date
Result
Birds
gene sequencing
08/03/2013
Positive
Birds
reverse transcription - polymerase chain reaction (RT-PCR)
08/03/2013
Positive

Future Reporting

The event is continuing. Weekly follow-up reports will be submitted.