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

AI map near Norwich

Near Bacton, Mid Suffolk, Suffolk

19 January 2026

Highly pathogenic avian influenza (HPAI) H5N1 was confirmed in other captive birds in a backyard flock near Bacton, Mid Suffolk, Suffolk.  A 3km Captive Bird (Monitoring) Controlled Zone has been declared around the premises.

 

Near Bacton, Mid Suffolk, Suffolk

19 January 2026

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

 

AI map near Norwich

AI map near Norwich

Near Breckland, Norfolk

19 January 2026

Following further testing of samples collected at the poultry premises near Mundford, Breckland, Norfolk, the low pathogenic avian Influenza (LPAI) H5N1 has been confirmed. The declaration has been updated but there are no changes to the measures within the zone.

 

Near York, North Yorkshire

15 January 2026

Highly pathogenic avian influenza (HPAI) H5N1 was confirmed at a third large commercial premises near York, York, North Yorkshire.  A 3km protection zone and 10km surveillance zone has been declared around the premises.

 

AI map near Norwich

Near Penicuik, Scottish Borders

15 January 2026

Highly pathogenic avian influenza (HPAI) H5N1 was confirmed at a fourth premises near Penicuik, Scottish Borders. A 3km Protection Zone (PZ) and 10 km Surveillance Zone (SZ) are in place.

 

Near Breckland, Norfolk

15 January 2026

Low pathogenic avian influenza (LPAI) H5 was confirmed at a large commercial poultry premises near Mundford, Breckland, Norfolk. A 1km Low Pathogenic Avian Influenza Restricted Zone has been declared around the premises.

 

Avian Influenza York, North Yorkshire

Near York, North Yorkshire

13 January 2026

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

 

Near Penicuik, Midlothian, Scotland

11 January 2026

The chief veterinary officer (CVO) for Scotland confirmed the presence of highly pathogenic avian influenza (HPAI) in a commercial flock of poultry at a premises near Penicuick, Scottish Borders, Scotland. A 3km protection zone and 10km surveillance zone has been declared around the premises.

 

Avian Influenza York, North Yorkshire

Avian Influenza York, North Yorkshire

Near Grassington, North Yorkshire

9 January 2026

Highly pathogenic avian influenza (HPAI) H5N1 was confirmed in a small backyard flock of other captive birds near Grassington, North Yorkshire, Yorkshire. A 3km captive bird (monitoring) controlled zone has been declared around the premises.

 

Newark-on-Trent, Newark & Sherwood, Nottinghamshire

8 January 2026

Highly pathogenic avian influenza (HPAI) H5N1 was confirmed in commercial poultry at a third premises near Newark-on-Trent, Newark and Sherwood, Nottinghamshire.  A 3km protection zone and 10km surveillance zone has been declared around the premises.

 

Avian Influenza York, North Yorkshire