The spread of bird flu to an increasing number of species and its widening geographic reach have raised the risks of humans being infected by the virus, the head of the World Organization for Animal Health (WOAH) said on Thursday.| AgCanada
Dairy farmers in the United States are raising their defenses to try to contain the spread of bird flu: banning visitors, cutting down trees to discourage wild birds from landing, and disinfecting vehicles coming onto their land.| AgCanada