The first high pathogenicity avian influenza A(H5N1) clade 2.3.4.4b incursions in the Hunter New England region, New South Wales, Australia, June-July 2026.
Two incursions of high pathogenicity avian influenza (HPAI) A(H5N1) clade 2.3.4.4b in vagrant birds were identified in the Hunter New England region of New South Wales, Australia on 28 June 2026 and 10 July 2026. These were the first detections of the virus in New South Wales and occurred shortly after the first Austra...