Very few humans have gone up against bird flu. But we've all dealt with seasonal flu for years. Some of our immune systems ...

H7N9 — is detected in at a poultry farm; scientists learn that past human flu exposure may provide some immunity to H5N1.

H5N1 can still be active in raw milk cheese even after the standard 60-day aging window, according to new research.

The H5N1 virus was detected in a single animal in Yorkshire, the British government said on Monday. It added that the risk to humans remained very low.

There's a new reason to steer clear of raw cheese: New research shows it can harbor the infectious bird flu virus for months. "There is a risk of infection," lead study author Dr. Diego Diel ...

More than 170 species of North American wild birds were infected with bird flu. Here's what it means for your backyard bird ...