Bird flu, or avian influenza, is one such example. , visited areas experiencing outbreaks, or are simply looking to stay informed, understanding Avian Influenza Key Takeaways Bird flu is caused by influenza viruses that primarily infect birds. Bird flu is a type of influenza caused by viruses that naturally circulate among wild birds and domestic Awareness and early action remain key to protecting yourself and your community from Avian Influenza

More than a century later, scientists still worry that another influenza virus could trigger a similar Key Takeaways H5N1 is a highly pathogenic avian influenza virus primarily affecting birds. H5N1 is a subtype of influenza A virus that mainly infects wild birds and domestic poultry. Influenza viruses constantly change through mutation and genetic reassortment. Influenza viruses are known for their ability to evolve.

Colds and influenza can cause overlapping symptoms, but flu typically begins more suddenly and is more Not everyone with influenza develops a fever. Different countries approve and recommend different influenza antivirals. for colds and influenza. Antibiotics do not treat ordinary viral colds or influenza.