The risk for widespread infection for humans from avian influenza remains low in Europe, but health authorities have urged enhanced vigilance and biosecurity measures.
France raised the risk level of bird flu to high from moderate on Tuesday after new cases of the disease were detected, forcing poultry farms to keep birds indoors to stem the spread of the highly contagious virus.
Brazil s agriculture ministry has extended a national health emergency for another 180 days due to more detections of the Highly Pathogenic Avian Influenza virus in wild birds.
Norway has reported an outbreak of highly pathogenic H5N1 avian influenza, commonly called bird flu, among poultry in the northern part of the country, the World Organisation for Animal Health said.