What is this “high pathogenic avian influenza (HPAI) virus” that is of such concern in Asia and Europe?
AIVs can be classified into two categories: low pathogenic (LPAI) and high pathogenic (HPAI) forms based on the severity of the disease in chickens. Most AIVs are low pathogenic and typically causes no clinical signs in infected birds. There are many influenza subtypes; however, only H5 and H7 subtypes are known to have become highly pathogenic in bird species.
Related Questions
- Has the highly pathogenic avian influenza (HPAI) H5N1 virus been detected in migratory birds in the United States?
- How does a low pathogenic avian influenza virus (LPAI) becomes a high pathogenic Avian Influenza virus (HPAI)?
- What is this "high pathogenic avian influenza (HPAI) virus" that is of such concern in Asia and Europe?
