Public health experts share concerns that the H5N1 bird flu outbreak could turn into a pandemic. What to know after Louisiana resident died in January.

Find out how mapping the spread of an avian influenza strain through birds across North America helped scientists understand its human-to-human spread risk.

A new effort to prepare for future avian influenza outbreaks is moving forward despite a major funding setback.

The soaring price of eggs is a ripple effect of an ongoing outbreak of avian influenza, also known as H5N1 or bird flu, which has spread from wild birds to dairy and poultry farms, infected cats, and ...

Add Yahoo as a preferred source to see more of our stories on Google. Dead birds recently washing up along Ohio's waterways have some on social media wondering what's going on and if bird flu is the ...