Since 2020, avian flu has been tearing through bird populations across the globe — even being detected in Antarctica’s penguins. This month, the Centers for Disease Control and Prevention reported what might be the first documented case of the virus being transmitted from a mammal to a human — from a cow to a person working on a dairy farm in Texas. The World’s host Carolyn Beeler spoke to Massimo Palmarini, the director of the Center for Virus Research at the University of Glasgow in Scotland, UK.
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