There are different strains of avian influenza. A new highly pathogenic strain H5N1 clade 2.3.4.4b (known as H5 avian influenza or H5 bird flu) is affecting wild birds and wild and domestic mammals across the world but has not yet reached Australia.
Avian influenza
Avian influenza is an infectious viral disease caused by strains of influenza A virus. It mainly affects birds.