Bird flu: Near Mundford, Breckland, Norfolk (AIV 2026/07)

Low pathogenic avian influenza (LPAI) H5 was confirmed in poultry near Mundford, Breckland, Norfolk on 15 January 2026. Following further testing this was confirmed as LPAI H5N1 on 17 January 2026.

• From: Department for Environment, Food & Rural Affairs and Animal and Plant Health Agency
• Published: 15 January 2026
• Last updated: 11 March 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• Disease control zone restrictions: No longer in force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: 15 January 2026
• Case closed date: 11 March 2026

Case information

11 March 2026

Following successful completion of of disease control activity and surveillance in the zone around a premises near Mundford, Breckland, Norfolk (AIV 2026/07) the 1km Low Pathogenic Avian Influenza Restricted Zone has been revoked.

17 January 2026

Following further testing of samples collected at the commercial poultry premises near Mundford, Breckland, Norfolk (AIV 2026/07) confirmed on 15 January 2026, low pathogenic avian Influenza (LPAI) H5N1 has been confirmed.  The declaration has been updated but there are no changes to the measures within the zone.

15 January 2026

Low pathogenic avian influenza (LPAI) H5 was confirmed at a large commercial poultry premises near Mundford, Breckland, Norfolk (AIV 2026/07) on 15 January 2026.

A 1km Low Pathogenic Avian Influenza Restricted Zone has been declared around the premises. All poultry on the premises will be humanely culled.

Declarations

Download the declaration of the revocation of a low pathogenic avian influenza restricted zone (PDF)

This revokes:

Download the declaration of a Low Pathogenic Avian Influenza Restricted Zone (PDF)

This amended declaration revokes and replaces the declaration of a Low Pathogenic Avian Influenza Restricted Zone (PDF).

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 2026/07

Published 15 January 2026

Last updated 11 March 2026 + show all updates

1. 11 March 2026

   Following successful completion of of disease control activity and surveillance in the zone around a premises near Mundford, Breckland, Norfolk (AIV 2026/07) the 1km Low Pathogenic Avian Influenza Restricted Zone has been revoked.

2. 19 January 2026

   Following further testing of samples collected at the commercial poultry premises near Mundford, Breckland, Norfolk (AIV 2026/07) confirmed on 15 January 2026, low pathogenic avian Influenza (LPAI) H5N1 has been confirmed. The declaration has been updated but there are no changes to the measures within the zone.

3. 15 January 2026

   First published.