OIE: Low pathogenic avian influenza (poultry) ,Australia

OIE: Low pathogenic avian influenza (poultry) ,Australia
submited by kickingbird at Mar, 9, 2013 8:52 AM from OIE

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.

See Also:

http://www.oie.int

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