Bird flu: a second premises near Swaffham, Breckland, Norfolk (AIV 2025/109)

Highly pathogenic avian influenza (HPAI) H5N1 was confirmed in a second large commercial poultry premises near Swaffham, Breckland, Norfolk on 23 November 2025.

Case information

21 January 2026

Following successful completion of disease control activities and surveillance in the zone around a second premises near Swaffham, Breckland, Norfolk (AIV 2025/109), the 3km protection zone has ended and the area that formed it becomes part of the surveillance zone.

All poultry on the premises have been humanely culled.

23 November 2025

Highly pathogenic avian influenza (HPAI) H5N1 was confirmed in a second large commercial poultry premises near Swaffham, Breckland, Norfolk.

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

This revokes and replaces the declaration of a protection zone and surveillance zone.

Further information

Check:

Case number: AIV 2025/109

Updates to this page

Published 23 November 2025
Last updated 21 January 2026 show all updates
  1. Following successful completion of disease control activities and surveillance in the zone around a second premises near Swaffham, Breckland, Norfolk (AIV 2025/109), the 3km protection zone has ended and the area that formed it becomes part of the surveillance zone. All poultry on the premises have been humanely culled.

  2. First published.