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.

Cold germs from someone’s nose or cough can live on surfaces for hours to days, depending on many factors. Learn which ...

Raw cheese made with milk from dairy cattle infected with bird flu can harbor infectious virus for months and may be a risk to public health, according to a new study from researchers at Cornell ...