A little-known variant of bird flu has evolved to become better adapted to infecting people and could pose a pandemic threat to humans, a team of researchers has warned.
The latest incident comes after Hong Kong confirmed an elderly man was diagnosed with the disease earlier this week. Chinese authorities have confirmed a second case of human bird flu infection this ...
H5N1 bird flu has infected growing numbers of people worldwide in recent years, but this week saw something new: the first recorded human case of an H5N5 avian influenza virus. What is this virus and ...