31 December 2025 – further update

Following further testing, highly pathogenic avian influenza (HPAI) H5N1 has been confirmed in a large commercial poultry unit at a premises near Newark-on-Trent, Newark and Sherwood, Nottinghamshire (AIV 2025/139, previously AIV SOS 2025/05).

The 3km temporary control zone A and 10km temporary control zone B have been revoked and replaced by a 3km protection zone and a 10km surveillance zone surrounding the premises.