22 December 2025 - further update
Highly pathogenic avian influenza (HPAI) H5N1 was confirmed in a large commercial poultry unit at a premises near Penicuik, Midlothian, Scotland (AIV2025/133). 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activities in the zone near Easingwold, Wetherby and Easingwold, North Yorkshire (AIV2025/81) the surveillance zone has been revoked.

Following successful completion of disease control activities and surveillance in the zone near Crediton, Mid Devon, Devon (AIV2025/84), the surveillance zone has been revoked.

22 December 2025
Highly pathogenic avian influenza (HPAI) H5N1 was confirmed in a large commercial poultry unit at a third premises near Dereham, Breckland, Norfolk (AIV2025/132).

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