In the last quarter of 2024, specifically between September 21 and December 6, a total of 657 highly pathogenic avian influenza (HPAI) A(H5N1) and A(H5N5) virus detections were reported in Europe.

A patient in Louisiana has been hospitalized with a severe case of avian influenza A(H5N1), marking the first instance of severe illness linked to this virus in the United States. The Centers for ...