21 November 2025

Highly pathogenic avian influenza (HPAI) H5N1 was confirmed in commercial poultry near Claydon, Mid Suffolk, Suffolk (AIV 2025/108).

A 3km protection zone and 10km surveillance zone has been declared around the premises. All poultry on the premises will be humanely culled.

Following successful completion of disease control activities and surveillance in the zone around a premises near Wybunbury, Cheshire East, Cheshire (AIV 2025/64), the protection zone has ended and the area that formed it becomes part of the surveillance zone.