Its spread to mammals, including dairy cows in the United States, has raised concerns among governments about a risk of a new ...

Q: What is avian influenza? Avian influenza, also known as bird flu, is a viral infection that primarily affects birds but ...

Robert F. Kennedy Jr. addressed the worsening avian flu crisis, saying vaccinating birds turns them into “mutation factories.

Bird flu, or H5N1 avian influenza, has been circulating across North America since 2022, infecting birds, livestock, wildlife ...

Bird flu is changing rapidly, increasing the chances of more humans getting sick. Arizona must do more now to contain the ...

Most of those infections have been seen in wild bird populations, with two known instances of backyard poultry flocks ...

The discovery of silent H5N1 infections in unexpected populations, the emergence of new variants, and its potential to evolve ...