Bird flu: second premises near Mundford, Breckland, Norfolk (AIV 2025/117)

Highly pathogenic avian influenza (HPAI) H5N1 was confirmed in commercial poultry at a second premises near Mundford, Breckland, Norfolk on 30 November 2025.

From:
Department for Environment, Food & Rural Affairs and Animal and Plant Health Agency
Published
30 November 2025
Last updated
18 February 2026 — See all updates
Disease Type:
Bird flu (avian influenza)
Disease control zone restrictions:
No longer in force
Disease control zone type:
None
Virus strain:
H5N1
Case opened date:
30 November 2025
Case closed date:
18 February 2026

Case information

18 February 2026

Following successful completion of disease control activities and surveillance in the zone around a second premises near Mundford, Breckland, Norfolk (AIV2025/117), the 3km protection zone has ended and the surveillance zone has been revoked.

All poultry on the premises have been humanely culled.

30 November 2025

Highly pathogenic avian influenza (HPAI) H5N1 was confirmed in a large commercial poultry unit at a second premises near Mundford, Breckland, Norfolk (AIV 2025/117).

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

Declaration

Download the declaration of the end of a Protection Zone and revocation of the Surveillance Zone

This revokes:

Declaration of a protection zone and surveillance zone

Further information

Check:

Case number: AIV 2025/117

Updates to this page

Published 30 November 2025
Last updated 18 February 2026 show all updates

  1. Following successful completion of disease control activities and surveillance in the zone around a second premises near Mundford, Breckland, Norfolk (AIV2025/117), the 3km protection zone has ended and the surveillance zone has been revoked.

  2. First published.

Contents