ProMED reported an extensive outbreak of Highly Pathogenic Avian Influenza, in Vendas Novas, Evora affecting 50,000 growing ducks. The outbreak is presumably attributed to H5N1, confirmed on August 29th.  The origin of infection is unknown. Appropriate protective measures have been imposed consistent with WOAH recommendations.

Between November 2021 and September 2022, Portugal recorded 26 outbreaks of Highly Pathogenic Avian Influenza H5N1, confirmed by the National Institute of Agricultural and Veterinary Research.  Outbreaks involved wild birds, turkeys, chickens and ducks.