The virus was detected in a white stork, being the second case detected in Portimão, as on 18 July a seagull with the H5N1 virus was detected. Furthermore, there are also registered outbreaks in Aveiro and Madeira.

The transmission of the virus to humans is rare, but not impossible, having already been reported cases around the world. However, healthcare must be taken has the infection may lead to serious complications.

The Directorate-General of Food and Veterinary (DGAV) asks all bird owners to follow the biosafety measures and avoid the contact between domestic and wild birds, to avoid transmission of the virus.