title: Antigenic variation of equine influenza: a stable virus.
authors.affiliation: National Institute for Biological Standards Control, South Mymms, Potters Bar, Herts.
authors.forename: J M
authors.initials: JM
authors.lastname: Wood
mesh_terms: D000818:Animals; D000940:Antigenic Variation; D000956:Antigens, Viral / Q000276:immunology*; D006734:Horse Diseases / Q000276:immunology / Q000382:microbiology*; D006736:Horses; D009980:Influenza A virus / Q000276:immunology*; D009976:Orthomyxoviridae Infections / Q000276:immunology / Q000662:veterinary*
chemical_list: D000956:Antigens, Viral