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Title
Continuing progress towards a unified nomenclature for the highly pathogenic H5N1 avian influenza viruses: divergence of clade 2·2 viruses.
Authors
WHO/OIE/FAO H5N1 Evolution Working Group
Abstract
A letter to the editor is presented in response to the article "Continuing progress towards a unified nomenclature for the highly pathogenic H5N1 avian influenza viruses: divergence of clade 2•2 viruses."