Highly Pathogenic Avian Influenza Virus A(H5N1) Clade 2.3.4.4b Infection in Free-Ranging Polar Bear, Alaska, USA.

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 k...

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Bibliographic Details
Published in:Emerging Infectious Diseases
Main Authors: Stimmelmayr, Raphaela, Rotstein, David, Torchetti, Mia Kim, Gerlach, Robert
Format: Article in Journal/Newspaper
Language:English
Published: CDC-NCEZID 2024
Subjects:
Alaska
HPAI
United States
clade 2.3.4.4b
highly pathogenic avian influenza virus
influenza
polar bear
respiratory infections
subsistence
viruses
zoonoses
north slope
Ursus maritimus
Online Access:https://doi.org/10.3201/eid3008.240481
https://pubmed.ncbi.nlm.nih.gov/38941966
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11286074/
Description
Summary: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.

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