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Australia confirms first mass mortality event from H5 bird flu in native seabirds

By Thomson Reuters Aug 2, 2026 | 9:35 PM

SYDNEY, Aug 3 (Reuters) – The first mass mortality event in Australia from ​H5 bird flu has ‌occurred in a large group of native seabirds in the state of South Australia, ‌the ​federal government ⁠said on Monday.

Laboratory ⁠testing by Australia’s national science agency confirmed the virus was present in the ​group of sick and dead birds near ⁠the town of ⁠Cape Jaffa, Agriculture ​Minister Julie Collins said.

“This is ​the first confirmed case of ‌a mass mortality and obviously a very concerning development,” she told reporters ⁠in Canberra.

“Australians should expect to see more spread and larger numbers ⁠now ‌of wildlife being ⁠affected.”

Australia has now ​recorded ‌74 cases of the ​deadly ⁠virus since it first appeared in the country in June.

(Reporting by Christine Chen in Sydney; Editing by ​Christian Schmollinger)