Australia Confirms H5N1 Bird Flu Spreading Among Native Birds Australia's confirmation that the deadly H5N1 bird flu virus is spreading among native greater crested terns in South Australia has sent shockwaves through the country's agricultural and public health communities.
The news is a stark reminder that the threat posed by avian influenza is far from contained.
Four states in Australia – South Australia, New South Wales, Victoria, and Western Australia – have detected cases of H5N1, indicating the virus has established itself in various parts of the country.