Updated

A turkey on an Austrian poultry farm in the western province of Vorarlberg has tested positive for the H5N8 bird flu virus and all birds on the farm will be culled, the health ministry said on Friday.

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Austria and Switzerland on Thursday took precautionary steps to prevent the spread of bird flu to domestic poultry after discovering cases of the disease in wild ducks around Lake Constance in the latest in a series of cases across Europe.