Low pathogenic avian influenza (poultry),
Australia

Information received on 18/08/2020 from Dr Mark Schipp, Chief Veterinary Officer, Department of Agriculture, Water and the Environment, Australian Government, Canberra, Australia

Summary

Report type	Follow-up report No. 1
Date of start of the event	07/08/2020
Date of confirmation of the event	10/08/2020
Report date	18/08/2020
Date submitted to OIE	18/08/2020
Date event resolved	30/11/2020
Reason for notification	Recurrence of a listed disease
Date of previous occurrence	27/06/2013
Manifestation of disease	Clinical disease
Causal agent	Low pathogenic avian influenza virus
Serotype	H5N2
Nature of diagnosis	Clinical, Laboratory (basic), Laboratory (advanced)
This event pertains to	a defined zone within the country
Related reports	Immediate notification (11/08/2020) Follow-up report No. 1 (18/08/2020) Follow-up report No. 2 (25/08/2020) Follow-up report No. 3 (04/09/2020) Follow-up report No. 4 (14/12/2020)

Outbreaks

There are no new outbreaks in this report

Epidemiology

Source of the outbreak(s) or origin of infection	Unknown or inconclusive Contact with wild species
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. Depopulation of both properties has been completed. Surveillance is continuing both within and outside the restricted area.

Control measures

Measures applied	Movement control inside the country Surveillance outside containment and/or protection zone Surveillance within containment and/or protection zone Quarantine Official disposal of carcasses, by-products and waste Stamping out Vaccination prohibited No treatment of affected animals
Measures to be applied	Disinfection

Future Reporting

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