Influenza A (H5N1) Virus

**Semantic type:** Virus

**Definition:** A strain of avian influenza A virus. This strain has caused major outbreaks in domestic poultry in parts of Asia and the Middle East and can cause infections in humans.

**Synonyms:** - H5N1 Influenza Virus - HPAI H5N1 Virus - Highly Pathogenic Asian Avian Influenza A (H5N1) Virus - INFLUENZA A VIRUS SUBTYPE H5N1 - Influenza A Virus H5N1 Subtype - Influenza A/H5N1