Defra - Avian Influenza Latest Situation
25 October 2025
Highly pathogenic avian influenza H5N1 has been confirmed at a premises near Cynwyd, Denbighshire.
A 3km Protection Zone and 10km Surveillance Zone have been put in place around the premises. Further information about this case and the latest information is available on GOV.Wales: http://www.gov.wales/avian-influenza-bird-flu-current....
An Avian Influenza Prevention Zone (AIPZ) with mandatory biosecurity measures is also in force across Great Britain.
All bird keepers should remain vigilant and follow stringent biosecurity measures as detailed on GOV.Wales: www.gov.wales/avian-influenza-bird-flu#127020 in addition to following any Protection/Surveillance Zone restrictions in their area to prevent future outbreaks.
Please check the disease control zones on our avian influenza interactive map (https://defra.maps.arcgis.com/.../webappviewer/index.html...) to see what restrictions are in place.