Bird flu has become an increasing concern around the world, leading to hundreds of thousands of birds being culled.
Japan has faced its worst outbreak since 2016 which started last month in the Kagawa prefecture on Shikoku island and has now been found in four Japanese prefectures.
South Korea confirmed bird flu strain H5N8 at a duck farm in the southwestern province of North Jeolla.
In Europe, Poland said it would cull more than 900,000 hens at a farm in the western part of the country.
Belgium has confirmed an outbreak of highly pathogenic H5N5 bird flu on a poultry farm in Menen.
In Croatia there was an outbreak of the H5N8 strain on a farm in the northern part of the country.
There have been three cases of wild birds testing positive in the Republic of Ireland, with a further five wild birds in Northern Ireland.
Irish Agriculture Minister Charlie McConalogue warned there was a danger of cases spreading widely across the country as he urged producers to take ‘every precaution’ to prevent the spread into commercial flocks.
Several cases have been confirmed on UK farms, with Defra calling on all poultry keepers to house all birds from December 14.