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Australia (mainland) - H5N1 in wild birds 2026 (n=215) - Local Transmission Confirmed by CSIRO - Mass Mortality Event Confirmed

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  • #76
    Australia: H5 Positive Bird Count Rises (n=123) - Victoria Reports 1st Land bird Infection & Investigating Dead Seal





    #19,280


    While not unexpected, overnight CSIRO has reported the first Australian land bird - a Magpie from Victoria - has been confirmed infected with HPAI H5N1. This is their first non-seabird report since the virus was confirmed in June.

    Attributable to Acting Australian Chief Veterinary Officer, Dr Sam Hamilton:
    Testing at CSIRO’s Australian Centre for Disease Preparedness (ACDP) has confirmed a further 16 positive detections in Victoria, 14 greater crested terns, one silver gull and one magpie. All of these birds were found in the vicinity of Portland and Nelson.

    There have also been 6 further confirmed positive detections in South Australia, all in greater crested terns. This includes 1 in Beachport, 1 in Port Vincent, 1 at Pullen Island Port Elliott, 1 in Kangaroo Island,1 in Southend, and 1 in Pelican Point in the lower south east.

    There have now been 123 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.

    While tests are pending, local media is also reporting on a dead seal pup which washed up on the beaches of Warrnambool on Victoria's Southwest coast.
    There are, of course, other possible causes of death, but recent events make H5N1 a distinct possibility.

    The most recent national tally from the Australian Agriculture Dept.

    Detection of H5 bird flu

    As of 11am AEST, 6 August 2026, Australia has 123 confirmed detections of H5 bird flu in wild birds.
    • 10 in Western Australia (WA)
    • 87 in South Australia (SA)
    • 2 in New South Wales (NSW)
    • 1 in Queensland (QLD)
    • 23 in Victoria (VIC).
    This is the serious H5 bird flu strain that has been circulating globally.

    There have been no detections in poultry or the wider agriculture industry.

    The Consultative Committee for Emergency Animal Disease (CCEAD) has reviewed its previous advice and endorsed a framework on national poultry biosecurity measures that will commence from 31 July. Under this framework, state and territory governments are responsible for issuing advice on biosecurity measures using a risk-based approach.

    State and territory governments are responsible for surveillance and response activities on the ground. They are actively working with industry to provide guidance on implementation of enhanced biosecurity measures, as appropriate. Find out more about bird flu in your
    state or territory.

    National coordination is being led by the Department of Agriculture, Fisheries and Forestry (DAFF).

    The risk to human health remains low.

    Australia is well prepared to respond quickly.



    https://afludiary.blogspot.com/2026/...unt-rises.html
    All medical discussions are for educational purposes. I am not a doctor, just a retired paramedic. Nothing I post should be construed as specific medical advice. If you have a medical problem, see your physician.

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    • #77
      Australia: Bird Flu Detection in Birds Rises (n=175) - Victoria Releases Poultry Housing Requirements






      #19,282


      While there are still no reports of HPAI H5N1 in poultry in Australia, the number of wild (local & migratory) birds confirmed infected continues to rise (n=175), with South Australia and Victoria leading the pack.



      Overnight Victoria has announced an initial 14-day mandatory housing order for poultry in specified regions of the state. From their Agriculture Facebook page:

      A housing requirement is now in place for poultry flocks of 50 or more birds along the south of the state for an initial 14 days following recent detections of H5 bird flu.

      Poultry owners in these areas must house their birds or otherwise prevent contact with wild birds wherever practical.

      Housing poultry is an additional risk mitigation option aimed at reducing exposure of poultry to infected wildlife. Wild birds are a known source of H5 bird flu.

      Stringent biosecurity practices remain essential. If you notice unexplained illness or deaths in your birds, report it immediately to the Emergency Animal Disease Hotline on 1800 675 888.

      Find out more about the housing requirement:
      agriculture.vic.gov.au/birdflu


      This comes after 2 announcements from Australian Chief Veterinary Officer, Dr Beth Cookson, which increased the number of wildlife detections nationally by 40% over the past 24 hours.

      7 August 2026

      Attributable to Australian Chief Veterinary Officer, Dr Beth Cookson:

      Testing at CSIRO’s Australian Centre for Disease Preparedness (ACDP) has confirmed a further 20 positive detections in Victoria, all in greater crested terns from the Portland and Nelson area.

      There have now been 175 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.

      7 August 2026

      Attributable to Australian Chief Veterinary Officer, Dr Beth Cookson:

      Testing at CSIRO’s Australian Centre for Disease Preparedness (ACDP) has confirmed a further 32 positive detections in South Australia, 29 greater crested terns (12 at Port MacDonnell, 10 at Beachport, 1 at Robe, 1 at Carpenter Rocks, 1 at Cape Jaffa, 3 at Seal Bay on Kangaroo Island, and 1 at Port Elliot) and 3 silver gulls at Southend on the Limestone Coast.

      There have now been 155 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.

      Due to growing concerns, the Royal Adelaide Show - which is similar to a State Fair here in the U.S. - has announced the cancelation of all poultry, pigeon, and birds exhibits in their upcoming 9-day run (5–13 Sep).


      Ten days ago we looked at a preprint by Raina MacIntyre et al. (HPAI H5N1 risk in Australia: a model for the prediction of poultry outbreaks) which included a map showing current HPAI H5 detections overlaying poultry production zones.


      You can view an updated interactive map at EPIWATCH, which shows the continued encroachment of HPAI in wild birds to these sensitive regions.


      While enhanced biosecurity can help reduce these risks, even countries with decades of experience dealing with HPAI continue to struggle to keep this deadly virus out of commercial and backyard poultry (see Front. Vet. Sci: Biosecurity deficiencies in HPAI-affected poultry farms in Korea, 2020/2021–2024/2025 seasons).

      Stay tuned.



      https://afludiary.blogspot.com/2026/...-in-birds.html
      All medical discussions are for educational purposes. I am not a doctor, just a retired paramedic. Nothing I post should be construed as specific medical advice. If you have a medical problem, see your physician.

      Comment


      • #78
        Australia: Bird Flu Detection in Wild Birds Doubles in Less Than 4 Days






        #19,284

        On August 4th, the official count of H5 positive birds in Australia broke 100 (n=102), today that number stands at 215, with the backlog of uninvestigated bird deaths continuing to rise.
        As of 3.00pm AEST, 8 August 2026, Australia has 215 confirmed detections of H5 bird flu in wild birds.
          • 10 in Western Australia (WA)
          • 147 in South Australia (SA)
          • 4 in New South Wales (NSW)
          • 1 in Queensland (QLD)
          • 53 in Victoria (VIC).


        We've two brief updates from DAFF:

        8 August 2026

        Attributable to Australian Chief Veterinary Officer, Dr Beth Cookson:

        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.


        8 August 2026

        Attributable to Australian Chief Veterinary Officer, Dr Beth Cookson:

        Testing at CSIRO’s Australian Centre for Disease Preparedness (ACDP) has confirmed a further 28 positive detections in South Australia.

        The new confirmed cases are all in wild seabirds, including 15 greater crested terns from the Limestone Coast (5 at Robe, 4 at Port MacDonnell, 2 at Beachport, 1 at Southend, 1 at Pelican Point, 1 at Cape Douglas, and 1 at Eight Mile Creek); 11 greater crested terns on Kangaroo Island (3 at Haines, 6 at Seal Bay, 1 at Penneshaw, and 1 at Vivonne Bay); and 2 silver gulls on the Limestone Coast (Port MacDonnell and Robe).

        There have now been 203 confirmed or presumed positive detections of H5 bird flu in Australia.

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

        The risk to human health remains low.

        Thus far, no poultry, livestock, or marine mammals have been detected with the virus on the Australian mainland.


        https://afludiary.blogspot.com/2026/...n-in-wild.html
        All medical discussions are for educational purposes. I am not a doctor, just a retired paramedic. Nothing I post should be construed as specific medical advice. If you have a medical problem, see your physician.

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