title: Antigenic and genetic characteristics of H5N1 viruses and candidate H5N1 vaccine viruses developed for potential use as pre-pandemic vaccines.
mesh_terms: D000818:Animals; D001717:Birds / Q000821:virology; D004196:Disease Outbreaks / Q000517:prevention & control; D006801:Humans; D053124:Influenza A Virus, H5N1 Subtype / Q000235:genetics / Q000276:immunology*; D007252:Influenza Vaccines / Q000235:genetics / Q000276:immunology* / Q000627:therapeutic use; D007251:Influenza, Human / Q000276:immunology* / Q000517:prevention & control / Q000821:virology
chemical_list: D007252:Influenza Vaccines