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

Near Penicuik, Midlothian, Scotland

22 December 2025

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

 

Near Breckland, Norfolk

22 December 2025

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

 

Avian flu in Lincolnshire

Near Market Rasen, West Lindsey, Lincolnshire

21 December 2025

Highly pathogenic avian influenza (HPAI) H5N1 was confirmed at a large commercial poultry flock near Market Rasen, West Lindsey, Lincolnshire. A 3km protection zone and 10km surveillance zone has been declared around the premises.

 

Near Breckland, Norfolk

20 December 2025

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

 

Avian flu in Lincolnshire

AI map near Faringdon

Near Bicester, Oxfordshire

20 December 2025

Highly pathogenic avian influenza (HPAI) H5N1 was confirmed in a backyard flock near Bicester, Cherwell, Oxfordshire. A 3km captive bird (monitoring) controlled zone has been declared around the premises.

 

Near Penicuik, Scottish Borders, Scotland

18 December 2025

The CVO Scotland has confirmed a case of highly pathogenic avian influenza (HPAI) H5N1 in a large commercial poultry flock near Penicuik, Scottish Borders, Scotland. A 3km protection zone and 10km surveillance zone has been declared around the premises.

 

AI map near Faringdon

bird flu confirmed in Leigh sinton

Near Brockworth, Tewkesbury, Gloucestershire

18 December 2025

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

 

Near Welton, West Lindsey, Lincolnshire

14 December 2025

Highly pathogenic avian influenza (HPAI) H5N1 was confirmed in a large commercial poultry flock at a premises near Welton, West Lindsey, Lincolnshire. A 3km protection zone and 10km surveillance zone has been declared around the premises.

 

bird flu confirmed in Leigh sinton

Highly pathogenic avian influenza H5N1 has been confirmed at a premises near Hythe, Kent

Near Newington, Kent

13 December 2025

Highly pathogenic avian influenza (HPAI) H5N1 was confirmed in a large commercial poultry flock at a third premises near Newington, Swale, Kent. A 3km protection zone and 10km surveillance zone has been declared around the premises.

 

Near Breckland, Norfolk

8 December 2025

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

 

Highly pathogenic avian influenza H5N1 has been confirmed at a premises near Hythe, Kent