H5 bird flu testing update 12 August
Wednesday 12 August 2026 BiosecurityMedia release
The CSIRO’s Australian Centre for Disease Preparedness (ACDP) has confirmed positive test results for H5 bird flu in samples from 49 wild seabirds since yesterday’s update.
The new confirmed cases are all in wild seabirds, including:
- 39 greater crested terns
- Limestone Coast – Port MacDonnell [19], Tarpeena [2], Mt Gambier [1], Robe [2], Carpenter Rocks [6], Beachport [1], Millicent [1]
- Fleurieu Peninsula – Middleton [1], Normanville [1], Victor Harbor [1]
- Adelaide – Craigmore [1], Port Noarlunga [1], O’Sullivan Beach [1]
- Murraylands – Mannum [1]
- 6 silver gulls
- Limestone Coast – Port MacDonnell [2], Robe [1]
- Fleurieu Peninsula – Port Elliot [1], Hayborough [1]
- Kangaroo Island – Seal Bay [1]
- 4 Pacific gulls
- Kangaroo Island – Haines [1], Flinders Chase [1].
- Limestone Coast – Cape Jaffa [1], Cape Douglas [1]
All were previously reported as suspect detections and have now returned positive results for H5 bird flu following testing at the ACDP in Geelong, Victoria.
There have now been 212 confirmed positive H5 bird flu detections in South Australia.
An additional 25 suspect cases of H5 bird flu in South Australia have been detected since the last update, including:
- 2 black faced cormorants
- Limestone Coast – Carpenter Rocks [2]
- 3 silver gulls
- Fleurieu Peninsula – Cape Jervis [1], Victor Harbor [1]
- Limestone Coast – Port MacDonnell [1]
- 20 greater crested terns
- Limestone Coast – Port MacDonnell [14], Carpenter Rocks [2], Southend [1]
- Fleurieu Peninsula – Middleton [1], McLaren Vale [1]
- Adelaide – Flagstaff Hill [1]
The samples have been sent to ACDP for confirmatory testing with results expected to be known in the coming days.
There remains no H5 bird flu detections in poultry or other livestock. The risk to human health of H5 bird flu remains low.
Engagement with primary industries, the wildlife sector, and the broader South Australian community continues as part of the South Australian Government’s commitment to deliver the most comprehensive and effective wildlife and industry surveillance, reporting and preparedness efforts possible.
South Australians are encouraged to continue being vigilant in reporting sick and dead birds and other wildlife.
Avoid touching sick or dead birds and other wildlife. Record what you see. Report it to the Emergency Animal Disease Hotline on 1800 675 888.
For the latest updates, information and advice about H5 bird flu in South Australia, visit birdflu.sa.gov.au.
| Tests since 1 January 2026 | Confirmed H5 bird flu cases in SA | Suspect H5 bird flu cases in SA | Hotline reports since 20 June 2026 |
|---|---|---|---|
| 1574 | 212 | 60 | 4662 |