23 November 2025

Highly pathogenic avian influenza (HPAI) H5N1 was confirmed:

in a second large commercial poultry premises near Swaffham, Breckland, Norfolk (AIV 2025/109)
in commercial poultry premises near Gainsborough, West Lindsey, Lincolnshire (AIV 2025/110)
A 3km protection zone and 10km surveillance zone has been declared around the premises. All poultry on the premises will be humanely culled.

The protection zones have ended and the area that formed them becomes part of the surveillance zone around:

a premises near Penrith, Westmoreland and Furness, Cumbria (AIV 2025/65)
a second premises near Penrith, Westmoreland and Furness, Cumbria (AIV 2025/69)
This is following successful completion of disease control activities and surveillance.