Bird flu: near Loddon, South Norfolk, Norfolk (AIV 2025/12 formerly AIV SOS 2025/01)

Highly pathogenic avian influenza was confirmed in commercial poultry on 31 January 2025.

Case information

31 January 2025:

Following official testing at the premises, highly pathogenic avian influenza (HPAI) H5N1 was confirmed in commercial poultry at a premises near Loddon, South Norfolk, Norfolk (AIV 2025/12 formerly AIV SOS 2025/01).

All affected poultry on the premises are being humanely culled.

A 3km protection Zone and a 10km surveillance Zone have been put in place surrounding the premises.

29 January 2025

Following the report of suspicion of highly pathogenic avian influenza in commercial poultry at a premises near Loddon, South Norfolk, Norfolk (AIV SOS 2025/01), a decision has been taken to pre-emptively cull the birds based on the clinical signs, post mortem findings and rapidly increasing mortality.

All affected poultry on the premises will be humanely culled.

A 3km temporary control zone A and a 10km temporary control zone B have been put in place surrounding the premises.

This revokes and replaces:

Download the declaration of an avian influenza temporary control zone A and temporary control zone B (PDF)

Further information

Check the updated bird flu disease control zone map.

Check if you need a licence to move poultry, poultry by-products, eggs, material or mammals.

Case number: (AIV SOS 2025/01).

Updates to this page

Published 29 January 2025
Last updated 31 January 2025 + show all updates
  1. 31 January: Following official testing at the premises, highly pathogenic avian influenza (HPAI) H5N1 was confirmed in commercial poultry at a premises near Loddon, South Norfolk, Norfolk (AIV 2025/12 formerly AIV SOS 2025/01).

  2. First published.