The bird flu is about much more than egg prices, and it’s an open question whether industry or policy can slow the spread.

COVID-19, scientists are watching another virus warily: H5N1. It’s been circulating widely in the U.S. — and now, wild birds ...

The National Wastewater Surveillance System’s funding expires at the end of fiscal year 2025, just as bird flu heats up.

Researchers say the delay, which averaged 618 days in Canada, could restrict scientists' ability to track the next pandemic.