The following chart created by Newsweek using Flourish shows global cases of H5N1 bird flu in humans from 2015 to 2023, according to WHO data. The CDC, in a statement announcing the first U.S ...

Note: An earlier version of this story did not correctly combine county data, leading to an inflated number associated with ...

H5N1 avian influenza continues to spread amid commercial and backyard poultry, and additional cases have been reported in ...