The highly pathogenic avian influenza virus (HPAIV) of the subtype H5 has progressed from sporadic seasonal occurrences to a continuous and nearly global panzootic in wild birds. This raises HPAIV incursion pressure into poultry holdings, as well as the risks of secondary spread and human exposure at the poultry-human interface.
Vaccination can strategically support the protection of poultry against highly pathogenic avian influenza
