{Reference Type}: Journal Article {Title}: Highly Pathogenic Avian Influenza Virus A(H5N1) Clade 2.3.4.4b Infection in Free-Ranging Polar Bear, Alaska, USA. {Author}: Stimmelmayr R;Rotstein D;Torchetti MK;Gerlach R; {Journal}: Emerg Infect Dis {Volume}: 30 {Issue}: 8 {Year}: 2024 Jun 28 {Factor}: 16.126 {DOI}: 10.3201/eid3008.240481 {Abstract}: We report a natural infection with a Eurasian highly pathogenic avian influenza A(H5N1) clade 2.3.4.4b virus in a free-ranging juvenile polar bear (Ursus maritimus) found dead in North Slope Borough, Alaska, USA. Continued community and hunter-based participation in wildlife health surveillance is key to detecting emerging pathogens in the Arctic.