title: Antigenic and genetic characteristics of H5N1 viruses and candidate H5N1 vaccine viruses developed for potential use as pre-pandemic vaccines, March 2007.
mesh_terms: D000956:Antigens, Viral / Q000235:genetics / Q000276:immunology; 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*; D007251:Influenza, Human / Q000276:immunology / Q000517:prevention & control / Q000821:virology
chemical_list: D000956:Antigens, Viral; D007252:Influenza Vaccines