The virus is spreading among animals, while viral mutations raise concerns about potential adaptation to human hosts.

The first severe human case of bird flu was recently reported in the U.S. Here are some ways the U.S. may be repeating the ...

For influenza viruses, imperfection is a strength. They constantly mutate, producing new strains that challenge immune ...

Though H5N1 has been circulating nationwide in wild birds, domestic poultry, and mammals since 2022, you may have only been ...

The death comes as multiple infectious diseases are surging throughout the US, including the 10th wave of the COVID-19 ...