Researchers have identified new roles for a protein long known to protect against severe flu infection -- among them, raising the minimum number of viral particles needed to cause sickness.

So far there’s been only one reported human case of bird flu in Texas this year in April and 46 total in the U.S., according ...

Canadian officials have announced that a teenager in British Columbia has been hospitalized in critical condition with what is believed to be bird flu.

After killing millions of birds worldwide, the H5N1 avian flu is creeping like a black fog of death through U.S. dairy farms.

Pigs remain at the centre of scientists’ nightmare scenario because commercial swine carry lots of human flu viruses. Their cells share enough features with ours that flu viruses can use some of ...

A case of H5 bird flu is believed to be detected in a human in Canada for the first time ... the first time the virus had ...

Pigs remain at the center of scientists’ nightmare scenario because commercial swine carry lots of human flu viruses. Their cells share enough features with ours that flu viruses can use some of ...

Pigs represent a particular concern for the spread of bird flu because they can become co-infected with bird and human viruses ... additional testing of the swine, the USDA said.

NEW YORK -- A pig at an Oregon farm was found to have bird flu, the U.S. Department of Agriculture announced Wednesday. It's ...