title: Antigenic and genetic  characteristics of zoonotic  influenza viruses and  development of candidate  vaccine viruses for pandemic  preparedness.
mesh_terms: D000818:Animals; D001717:Birds; D014943:Global Health; D006385:Hemagglutination Inhibition Tests; D006389:Hemagglutinins, Viral / Q000235:genetics*; D006801:Humans; D053118:Influenza A Virus, H1N1 Subtype / Q000235:genetics / Q000276:immunology; D057221:Influenza A Virus, H1N2 Subtype / Q000235:genetics / Q000276:immunology; D053122:Influenza A Virus, H3N2 Subtype / Q000235:genetics / Q000276:immunology; D053124:Influenza A Virus, H5N1 Subtype / Q000145:classification / Q000235:genetics / Q000276:immunology; D064766:Influenza A Virus, H7N9 Subtype / Q000145:classification / Q000235:genetics / Q000276:immunology; D053127:Influenza A Virus, H9N2 Subtype / Q000145:classification / Q000235:genetics / Q000276:immunology; D009980:Influenza A virus / Q000145:classification / Q000235:genetics* / Q000276:immunology*; D007252:Influenza Vaccines / Q000276:immunology* / Q000600:supply & distribution; D005585:Influenza in Birds / Q000453:epidemiology / Q000821:virology*; D007251:Influenza, Human / Q000453:epidemiology / Q000517:prevention & control / Q000821:virology*; D009439:Neuraminidase / Q000235:genetics*; D058873:Pandemics / Q000517:prevention & control; D010802:Phylogeny; D013552:Swine; D015047:Zoonoses / Q000453:epidemiology / Q000821:virology*
chemical_list: D006389:Hemagglutinins, Viral; D007252:Influenza Vaccines; D009439:Neuraminidase