The death of a woman in China from a strain of bird flu previously unknown in humans is a reminder of the ever-present potential pandemic threat from mutating animal viruses, scientists said on ...

New findings published in the journal Nature, led by a clinical microbiologist, Kelvin To, at the University of Hong Kong, revealed that the bird flu virus that typically causes minor disease in birds ...

Type A viruses are the most significant for human and animal health, and they are all descended from avian viruses. The flu A ...