Australia warned on Monday against the risk of a wider spread of H5N1 bird flu after its first mass mortality episode among seabirds killed about 50 greater crested terns off the coast south of Adelaide.

Australia has confirmed its first mass mortality event from H5 bird flu. This outbreak occurred in a large group of native seabirds in South Australia. Laboratory testing…

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…