More than 160 million wild and domestic birds have been infected with bird flu across the United States since 2022.

Since 2021, experts have seen bird flu — also called H5 influenza or highly pathogenic avian influenza (HPAI) — spreading "fairly quickly" across the wild and domestic bird populations and, now, among ...

U.S. firms have been seeking alternative import markets due to supply constraints, suggesting that other countries besides ...