In a shift of thinking, governments in the EU and UK are now considering reversing the ban on vaccinating poultry against bird flu. This is in response to the largest avian flu epidemic so far observed in Europe, with 2,467 outbreaks in poultry recorded by the European Food Safety Authority (Efsa) in the 2021-2022 season, and an unprecedented number of highly pathogenic avian influenza (HPAI) virus variants detected.
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