title: Isolation of an influenza H1N1 virus from a pig.
mesh_terms: D000818:Animals; D000956:Antigens, Viral / Q000032:analysis; D006801:Humans; D053118:Influenza A Virus, H1N1 Subtype; D009980:Influenza A virus / Q000235:genetics* / Q000276:immunology*; D009843:Oligoribonucleotides / Q000032:analysis; D012367:RNA, Viral / Q000032:analysis; D013552:Swine
chemical_list: D000956:Antigens, Viral; D009843:Oligoribonucleotides; D012367:RNA, Viral