U.S. Public Health Preparedness and Response to Avian Influenza A(H5N1) Viruses
Since 2020-2021, highly pathogenic avian influenza (HPAI) A(H5N1) clade 2.3.4.4b viruses have spread among wild birds worldwide, causing poultry outbreaks and spillover to terrestrial and marine mammals. HPAI A(H5N1) clade…
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