Avian influenza outbreak timeline

 

Avian influenza, also known as bird flu is a highly pathogenic disease that mainly affects poultry. Avian influenza is a notifiable disease, and if you suspect any type of the disease in captive birds, you must report it immediately.

  • In you are in England, call the Defra Rural Services Helpline on 03000 200 301.
  • If you are in Wales, call 0300 303 8628.
  • In Scotland, contact your local Field Services Office.

If you suspect avian influenza in wild birds, you should call the Defra helpline on 03459 33 55 77.

Find out how our range of biosecurity services and plans can help you mitigate your risks.

avian influenza outbreaks in the UK

highly pathogenic avian influenza confirmed on second premises near Copeland, Cumbria.

Near Wetheral, Cumbria

28 September 2025

Highly pathogenic avian influenza (HPAI) H5N1 was confirmed in commercial poultry at a premises near Wetheral, Cumberland, Cumbria. A 3km protection zone and 10km surveillance zone has been declared around the premises. 

 

Near Exminster, Teignbridge, Devon

31 August 2025

Highly pathogenic avian influenza (HPAI) H5N1 was confirmed in poultry at a premises near Exminster, Teignbridge, Devon. A 3km protection zone and 10km surveillance zone has been declared around the premises.

 

highly pathogenic avian influenza confirmed on second premises near Copeland, Cumbria.

AI map near Frome, Somerset

Near Evercreech, Frome, Somerset

28 August 2025

Highly pathogenic avian influenza (HPAI) H5N1 was confirmed in other captive birds at a premises near Evercreech, Frome and East Somerset, Somerset. A 3km captive bird (monitoring) controlled zone has been declared surrounding the premises.

 

Avian Influenza prevention zone with mandatory biosecurity measures has been updated

20 August 2025

Due to the recent increase in avian influenza cases in game birds and increasing risk of avian influenza, particularly in coastal counties, the avian influenza prevention zone (AIPZ) with mandatory biosecurity measures has been updated to include additional biosecurity measures for game bird rearers and shoot operators.

These include:

  • a requirement to cleanse and disinfect vehicles and footwear
  • a requirement to collect and report dead birds found in the vicinity of release pens
  • measures to prevent access to feeders and drinkers by wild birds

These measures come into force from 26 August.

 

AI map near Frome, Somerset

AI map near Newtown, Powys

Near Dulas, Ynys Môn, Wales

9 August 2025

The Chief Veterinary Officer for Wales has confirmed that low pathogenic avian influenza (LPAI) H5N3 is present on a premises near Dulas, Ynys Môn, Wales. A 1km Restricted Zone is in force surrounding this premises.

 

Near Seaton, East Devon, Devon

8 August 2025

Highly pathogenic avian influenza (HPAI) H5N1 was confirmed in commercial poultry at premises premises near Seaton, East Devon, Devon. A 3km protection zone and 10km surveillance zone has been declared surrounding each of the premises.

 

AI map near Newtown, Powys

AI confirmed near Teignbridge in Devon on 31st March 2023.

Near Lifton, West Devon, Devon

8 August 2025

Highly pathogenic avian influenza (HPAI) H5N1 was confirmed in commercial poultry at premises near Lifton, West Devon, Devon. A 3km protection zone and 10km surveillance zone has been declared surrounding each of the premises.

 

Near Attleborough, Breckland, Norfolk

6 August 2025

Highly pathogenic avian influenza (HPAI) H5N1 was confirmed in commercial poultry at a fifth premises near Attleborough, Breckland, Norfolk. A 3km protection zone and 10km surveillance zone has been declared around the premises.

 

AI confirmed near Teignbridge in Devon on 31st March 2023.

bird flu confirmed on second premises in Aberdeenshire, Scotland

Near Banff, Aberdeenshire

1 August 2025

Highly pathogenic avian influenza (HPAI) H5N1 was confirmed by the CVO Scotland at a premises near Banff, Aberdeenshire. A 3km protection zone and 10km surveillance zone has been declared around the premises. 

 

Near Yeovil, Yeovil, Somerset

31 July 2025

Highly pathogenic avian influenza (HPAI) H5N1 was confirmed in other captive birds at a premises near Yeovil, Yeovil, Somerset. A 3km captive bird (monitoring) controlled zone has been declared surrounding the premises.

 

bird flu confirmed on second premises in Aberdeenshire, Scotland