Australia: H5 bird flu testing update

8 August 2026

Testing at CSIRO’s Australian Centre for Disease Preparedness (ACDP) has confirmed a further 2 positive detections in New South Wales, one greater crested tern near Narooma and one greater crested tern near Wentworth.

An additional 10 positive detections have also been confirmed in Victoria. These were all from greater crested terns in south-west Victoria and Clyde in south-east Melbourne.

There have now been 215 confirmed or presumed?positive detections of H5 bird flu in Australia, based on samples tested.

There remain no detections in poultry or in our agricultural production system.

The risk to human health remains low.