Highly pathogenic avian influenza,
Australia

Information received on 11/08/2020 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. 2
Date of start of the event	24/07/2020
Date of confirmation of the event	31/07/2020
Report date	11/08/2020
Date submitted to OIE	11/08/2020
Date event resolved	30/11/2020
Reason for notification	Recurrence of a listed disease
Date of previous occurrence	21/02/2014
Manifestation of disease	Clinical disease
Causal agent	Highly pathogenic avian influenza virus
Serotype	H7N7
Nature of diagnosis	Clinical, Laboratory (basic), Laboratory (advanced), Necropsy
This event pertains to	a defined zone within the country
Related reports	Immediate notification (31/07/2020) Follow-up report No. 1 (07/08/2020) Follow-up report No. 2 (11/08/2020) Follow-up report No. 3 (18/08/2020) Follow-up report No. 4 (25/08/2020) Follow-up report No. 5 (04/09/2020) Follow-up report No. 6 (14/12/2020) Follow-up report No. 7 (21/12/2020)

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	Depopulation and on-site burial for first affected property is complete. Disposal of litter is underway. Depopulation of the second affected property has commenced. A third property with no livestock - a composting site with known high risk trace to the second infected property - has confirmed molecular evidence of H7 influenza A and is also under quarantine.

Control measures

Measures applied	Movement control inside the country Surveillance outside containment and/or protection zone Surveillance within containment and/or protection zone Traceability Quarantine 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.