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

Avian Influenza confirmed in Durham

Near Doncaster, South Yorkshire

16 November 2025

Highly pathogenic avian influenza (HPAI) H5N1 was confirmed in a large commercial poultry unit near Thorne, Doncaster, South Yorkshire. A 3km protection zone and 10km surveillance zone has been declared around the premises.

 

Near Teignbridge, Devon

15 November 2025

Highly pathogenic avian influenza (HPAI) H5N1 was confirmed in a small group of ornamental captive birds near Dawlish, Teignbridge, Devon. A 3km Captive Bird (Monitoring) Controlled Zone has been declared around each premises.

 

Avian Influenza confirmed in Durham

AI map near Norwich

Near Watton, Norfolk

15 November 2025

Highly pathogenic avian influenza (HPAI) H5N1 was confirmed in a small backyard flock of captive birds near Watton, Breckland, Norfolk. A 3km Captive Bird (Monitoring) Controlled Zone has been declared around each premises.

 

Near Swaffham, Norfolk

15 November 2025

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

 

AI map near Norwich

AI map near Pembrokeshire

Near Carmarthenshire, Wales

14 November 2025

Highly pathogenic avian influenza (HPAI) H5N1 was confirmed in a small backyard flock of captive birds near Pontyberem, Carmarthenshire, Wales. A 3km Captive Bird (Monitoring) Controlled Zone has been declared around the premises.

 

Near Gosforth, Cumbria

13 November 2025

Highly pathogenic avian influenza (HPAI) H5N1 was confirmed in a small backyard flock of captive birds near Gosforth, Cumberland, Cumbria. A 3km Captive Bird (Monitoring) Controlled Zone has been declared around the premises. 

 

AI map near Pembrokeshire

AI map near Norwich

Near Poringland, Norfolk

13 November 2025

Highly pathogenic avian influenza (HPAI) H5N1 was confirmed in a large commercial flock of poultry near Poringland, South Norfolk, Norfolk. A 3km protection zone and 10km surveillance zone has been declared around the premises.

 

Welsh Government has declared an Avian Influenza Prevention Zone (AIPZ) across Wales.

13 November 2025

An Avian Influenza Prevention Zone (AIPZ) has been declared across the whole of Wales. This zone introduces strict biosecurity measures for all bird keepers.

The zone will remain in place until a reduction in risk levels indicates it is no longer required. The requirements within the AIPZ and other measures to reduce the risk of avian influenza transmission will be under ongoing review.

 

 

AI map near Norwich

Near Lanark, Scotland

12 November 2025

Highly pathogenic avian influenza (HPAI) H5N1 was confirmed in a large commercial poultry flock at a premises near Lanark, South Lanarkshire, Scotland. A 3km protection zone and 10km surveillance zone have been declared around the premises. 

 

Near Woodbridge, Suffolk

12 November 2025

Highly pathogenic avian influenza (HPAI) H5N1 was confirmed in a large commercial poultry unit near Woodbridge, East Suffolk, Suffolk. A 3km protection zone and 10km surveillance zone has been declared around the premises.