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Commun Dis Intell.The first high path avian influenza A(H5N1) clade 2.3.4.4b incursions in Hunter New England region, NSW, Australia,June-July 2026

tetano

Editor, Senior Moderator
Commun Dis Intell (2018)

. 2026 Aug 25:50.
doi: 10.33321/cdi.2026.50.059.

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​


Emily Gibson 1 , Meg Whitley 2 , Renee Reynolds 3 , Megan Vidler 2 , Kristy Crooks 2 , Peter Murray 2

Affiliations

Free article

Abstract​


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 Australian detection in June 2026. The Hunter New England Population Health Unit managed human contacts of the infected birds using a contact management system designed and purpose-built by the Unit. We report on the public health response and opportunities for improvement.

Keywords: H5N1; HPAI; avian influenza; disease surveillance; human infection; pandemic preparedness; public health; risk assessment; zoonotic transmission.
 
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