Bird flu: second near Thirsk, Thirsk and Malton, North Yorkshire (AIV 2025/93)

Highly pathogenic avian influenza (HPAI) H5N1 was confirmed in commercial poultry near Thirsk, Thirsk and Malton, North Yorkshire on 7 November 2025.

From:
Department for Environment, Food & Rural Affairs and Animal and Plant Health Agency
Published
7 November 2025
Last updated
31 December 2025 — 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No longer in force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:
7 November 2025
Case closed date:
31 December 2025

Case information

31 December 2025

Following successful completion of disease control activities and surveillance in the zone around a second premises near Thirsk, Thirsk and Malton, North Yorkshire (AIV 2025/93), the protection zone has ended and the surveillance zone has been revoked at the same time.

7 November 2025

Highly pathogenic avian influenza (HPAI) H5N1 was confirmed in commercial poultry at a second premises near Thirsk, Thirsk and Malton, North Yorkshire (AIV 2025/93).

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 and revocation of a surveillance zone (PDF)

This revokes the declaration of a protection zone and surveillance zone (PDF).

Further information

Check:

Case number: AIV 2025/93

Updates to this page

Published 7 November 2025
Last updated 31 December 2025 show all updates

  1. Following successful completion of disease control activities and surveillance in the zone around a second premises near Thirsk, Thirsk and Malton, North Yorkshire (AIV 2025/93), the protection zone has ended and the surveillance zone has been revoked at the same time.

  2. First published.

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