How worried should we be about spring migration spreading avian flu?

A bald eagle infected with avian flu undergoes treatment at The Raptor Center, University of Minnesota

Victoria Hall

A record outbreak of avian flu has been devastating poultry farms and birds that flock together on shorelines since 2021, raising new concerns that the virus could become endemic in wild birds. There have already been reports of spillover to other species, including foxes in England, grizzly bears in the US and farmed mink in Spain. And an 11-year-old girl in Cambodia died from an avian flu infection. All of this is stoking fears …


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