In a concerning development, health officials in Washington state have confirmed the first known human infection globally of the H5N5 avian influenza variant, after an elderly resident with underlying ...

A man has died after catching a virus previously only detected in animals, raising concerns about a potential new disease ...

The first person to contract H5N5 avian influenza, a rare strain of the disease known as bird flu, died in Washington state ...

H5N1 bird flu has infected growing numbers of people worldwide in recent years, but this week saw something new: the first ...

While it remains seasonal in poultry, the disease is spreading in dairy cows and infecting hundreds of other ...