O 13.00 ar 8 Rhagfyr 2021, mae ffliw adar pathogenig iawn (HPAI) H5N1 wedi'i gadarnhau mewn dofednod neu adar caeth eraill mewn 36 safle ym Mhrydain Fawr, gyda dros 276 o ganfyddiadau mewn adar gwyllt mewn 80 lleoliad ar wahân. Dyma'r achosion mwyaf erioed yn y DU o Ffliw Adar erbyn hyn, ac nid oes unrhyw arwydd uniongyrchol o'r sefyllfa'n gwella.
As of 13:00 on the 8thDecember 2021, highly pathogenic avian influenza (HPAI) H5N1 has been confirmed in poultry or other captive birds at 36 premises in GB, with over 276 findings in wild birds in 80 separate locations. This is now the largest ever UK outbreak of AI, and there is no immediate sign of the situation improving.