Highly Pathogenic Avian Influenza A(H5N1) Virus in a Harbor Porpoise, Sweden

We found highly pathogenic avian influenza A(H5N1) virus clade 2.3.4.4b associated with meningoencephalitis in a stranded harbor porpoise (Phocoena phocoena). The virus was closely related to strains responsible for a concurrent avian influenza outbreak in wild birds. This case highlights the potent...

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Bibliographic Details
Published in:Emerging Infectious Diseases
Main Authors: Elina Thorsson, Siamak Zohari, Anna Roos, Fereshteh Banihashem, Caroline Bröjer, Aleksija Neimanis
Format: Article in Journal/Newspaper
Language:English
Published: Centers for Disease Control and Prevention 2023
Subjects:
influenza A virus
H5N1 subtype
pathology
wild animals
Phocoena
porpoises
Medicine
R
Infectious and parasitic diseases
RC109-216
Phocoena phocoena
Online Access:https://doi.org/10.3201/eid2904.221426
https://doaj.org/article/79aae7ca7d0f44f595d443b08c4ae522
Description
Summary:We found highly pathogenic avian influenza A(H5N1) virus clade 2.3.4.4b associated with meningoencephalitis in a stranded harbor porpoise (Phocoena phocoena). The virus was closely related to strains responsible for a concurrent avian influenza outbreak in wild birds. This case highlights the potential risk for virus spillover to mammalian hosts.

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