These photos show the devastation of a pandemic, and how the Spanish flu brought the world to its knees not so long ago. There is no universal consensus regarding the origins of the H1N1 influenza ...

The newly reported H5N9 strain was found Monday at a duck farm in Merced County, California, according to the World ...

Swine flu is a kind of human respiratory infection caused by an influenza virus strains occurring in pigs. Reports say millions of lives are lost across the world due to swine flu. Swine flu is ...