Influenza virus is an infectious agent belonging to the virus family Orthomyxoviridae that causes a respiratory tract infection (influenza or 'flu') in vertebrates. There are three main species ...

Flu cases had previously peaked this season at the very end of December. At week 52 —ending on December 28—the percentage of ...

H5N1 influenza virus had previously not been isolated from ... point of origin due to its simultaneous appearance in other parts of the world. Exhibited a W-shaped mortality pattern associated ...

Agriculture Victoria has confirmed the presence of avian influenza at a poultry property in northern Victoria, which has now been placed into ...

Here's what you need to know about the highly pathogenic H5N1 avian influenza, and what bird flu might mean to you, your ...