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Peer-reviewed veterinary case report

Highly Pathogenic Avian Influenza A(H5N1) Clade 2.3.4.4b Virus Infection in Poultry Farm Workers, Washington, USA, 2024.

Journal:
Emerging infectious diseases
Year:
2025
Authors:
Hatta, Yasuko et al.
Species:
bird

Abstract

Poultry workers in Washington, USA, were infected with highly pathogenic avian influenza A(H5N1) virus and recovered. The viruses were clade 2.3.4.4b genotype D1.1, closely related to viruses causing poultry outbreaks. Continued surveillance and testing for influenza A(H5) clade 2.3.4.4b viruses remain essential for risk assessment and pandemic preparedness of zoonotic influenza viruses.

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Original publication: https://pubmed.ncbi.nlm.nih.gov/41490523/