Bird flu should no longer be considered solely an avian virus due to the growing spread of the disease in mammals, a leading ...

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.

Highly pathogenic avian influenza (AI) evolves to infect a new mammalian species, having made the jump to dairy cattle almost ...

The British government has detected bird flu in a sheep in northern England, the first known case of its kind in the world, ...

The U.S. Department of Agriculture's Wildlife Services killed a male gray wolf in Wyoming on Sunday. The wolf had killed five sheep. The wolf had been translocated to Colorado from British ...

LONDON — Bird flu has infected a sheep in Britain in what the government on Monday described as the first case of its kind reported anywhere in the world. While bird flu had already been ...