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Protective effect of A(H5N8) stockpiled vaccine against a virus genetically identical to a human isolate of bovine A(H5N1) influenza virus
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DOI:10.1016/j.ebiom.2026.106430.png)
Abstract
En 中文
Since early 2024, highly pathogenic avian influenza A(H5N1) viruses of clade 2.3.4.4b have caused extensive outbreaks in dairy cattle in the United States, with spillover into mammalian species, including humans. A bovine-derived A(H5N1) virus isolated from a human case retains high pathogenicity and transmissibility in mammalian models, highlighting its pandemic potential. Stockpiled pre-pandemic influenza vaccines are intended to provide early protection before strain-matched vaccines are available; however, their protective efficacy against bovine A(H5N1) viruses has not been directly evaluated in vivo.
Keywords:
Bovine A(H5N1) influenza virus
Stockpiled vaccine
Ferret model
Mouse model
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