title: The genes coding for the surface glycoproteins of influenza A viruses contain a small conserved and a large variable region.
mesh_terms: D001483:Base Sequence; D005796:Genes; D005814:Genes, Viral; D006023:Glycoproteins / Q000235:genetics*; D006389:Hemagglutinins, Viral / Q000235:genetics; D009980:Influenza A virus / Q000235:genetics*; D009439:Neuraminidase / Q000235:genetics; D009693:Nucleic Acid Hybridization; D012367:RNA, Viral / Q000235:genetics; D014764:Viral Proteins / Q000235:genetics*
chemical_list: D006023:Glycoproteins; D006389:Hemagglutinins, Viral; D012367:RNA, Viral; D014764:Viral Proteins; D009439:Neuraminidase