In a recent study published within the journal Nature Communications, researchers examined the phenotypic and genetic evolution of clade 2.3.4.4b highly pathogenic avian influenza A(H5N1) viruses following their spread to North America (NAm). Clade 2.3.4.4b A(H5N1) viruses spread rapidly over Africa, Europe, and Asia in 2021, infecting domestic animals and wild birds. Viruses of the […]