Along Australia's coastlines and island sanctuaries, a pathogen that has already reshaped global wildlife is now moving through a continent whose creatures evolved in blessed isolation — and whose governments have long treated biosecurity as an afterthought. The H5N1 avian influenza strain, responsible for the deaths of an estimated 500 million birds worldwide between 2021 and 2024, has now confirmed its presence across all six Australian states, with over a thousand greater crested terns found dead in South Australia in a single week. What unfolds here is not merely an ecological emergency bu
H5N1 avian flu spreads across Australia with 290 confirmed infections
Over 1,000 bird deaths confirmed; potential risk to vulnerable human populations including farm workers and wildlife handlers if zoonotic spillover occurs.