While covering Covid, science writer Carl Zimmer learned how little we know about air and how it affects disease transmission ...

Raw cheese made with milk from dairy cattle infected with bird flu can harbor infectious virus for months and may be a risk ...

The Biden and Trump administrations have put billions into bird flu monitoring and prevention. But where is that money going?

Older adults who were exposed to seasonal flu viruses that circulated prior to 1968 are more likely to have some protection against H5N1, and children would benefit more from H5N1 vaccines.