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: Raphaela Stimmelmayr, David Rotstein, Mia Kim Torchetti, Robert Gerlach
Format: Article in Journal/Newspaper
Language:English
Published: Centers for Disease Control and Prevention 2024
Subjects:
highly pathogenic avian influenza virus
HPAI
clade 2.3.4.4b
influenza
polar bear
subsistence
Medicine
R
Infectious and parasitic diseases
RC109-216
north slope
Ursus maritimus
Alaska
Online Access:https://doi.org/10.3201/eid3008.240481
https://doaj.org/article/199d8045096742c4aba8c54d9a545497
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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