title: A single gene determines the host range of influenza virus.
mesh_terms: D002460:Cell Line; D012321:DNA-Directed RNA Polymerases / Q000235:genetics / Q000378:metabolism; D005814:Genes, Viral; D009980:Influenza A virus / Q000235:genetics* / Q000502:physiology; D012367:RNA, Viral / Q000235:genetics; D014764:Viral Proteins / Q000235:genetics / Q000502:physiology; D014779:Virus Replication
chemical_list: D012367:RNA, Viral; D014764:Viral Proteins; D012321:DNA-Directed RNA Polymerases