The first severe case of H5N1 bird flu was confirmed in Louisiana. Here is a map of other states that have been affected.

Although development of a jab for the H5N1 strain of avian flu is well under way, other strains are receiving less attention ...

After starting the year with its first known bird flu death, the US expanded its efforts to contain the virus, which enabled ...

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 ...

On November 13, Spain's Ministry of Agriculture, Fisheries and Food imposed the confinement of all free-range poultry farms to curb the spread of avian influenza—more commonly known as "bird ...

Three state agencies remain on alert after a third possible case of avian influenza was found in a wild bird, this time in an ...