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Australian scientists recently observed signs consistent with H5 avian influenza, or bird flu, in elephant seals during a voyage to Heard Island in the subantarctic.
The Department of Agriculture, Fisheries and Forestry (DAFF) said officials had not made a confirmed detection of bird flu but said the findings “reinforces the need for Australia to remain focused on preparing for an outbreak”. Australia is the only continent that does not have the highly contagious strain of H5 bird flu.
Scientists observed unusual levels of mortality in elephant seals on Heard Island in recent days. There were no observations of unusual levels of mortality in other species present on the island, including penguins and other seabirds.
Seeing signs consistent with H5 bird flu in wildlife on Heard Island is not unexpected.