One year ago, the first bird flu infection in a human in the United States was reported in a Texas dairy worker. There have ...

An ornithologist spent four decades tracking 40,000 bird deaths at a single building. His records paved the way to better ...

The rise of bird flu across the U.S. has resulted in egg prices surging to more than $12 a dozen in some parts of the country this year.

At the viral chatter stage of an outbreak, pathogens are just starting to infect people in sporadic bursts. It’s a sign that ...