Bird flu: near Attleborough, Breckland, Norfolk (AIV 2025/91)

Highly pathogenic avian influenza (HPAI) H5N1 was confirmed in commercial poultry near Attleborough, Breckland, Norfolk on 7 November 2025.

• From: Department for Environment, Food & Rural Affairs and Animal and Plant Health Agency
• Published: 7 November 2025
• Last updated: 2 January 2026 — See all updates

• Disease Type: Bird flu (avian influenza)
• Disease control zone restrictions: In force
• Disease control zone type: Surveillance zone
• Virus strain: H5N1
• Case opened date: 7 November 2025

Case information

2 January 2026

Following successful completion of disease control activities and surveillance in the zone around a premises near Attleborough, Breckland, Norfolk (AIV 2025/91) the 3km protection zone has ended and the area that formed it becomes part of the 10km surveillance zone.

7 November 2025

Highly pathogenic avian influenza (HPAI) H5N1 was confirmed in commercial poultry near Attleborough, Breckland, Norfolk (AIV 2025/91) on 7 November 2025.

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

Download the declaration of the ending of a protection zone (PDF)

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

Further information

Check:

• the updated bird flu disease control zone map
• if you need a licence to move poultry, poultry by-products, eggs, material or mammals

Case number: AIV 2025/91

Published 7 November 2025

Last updated 2 January 2026 + show all updates

1. 2 January 2026

   Following successful completion of disease control activities and surveillance in the zone around a premises near Attleborough, Breckland, Norfolk (AIV 2025/91) the 3km protection zone has ended and the area that formed it becomes part of the 10km surveillance zone.

2. 7 November 2025

   First published.