title: Influenza: antigenic spectrum.
mesh_terms: D000818:Animals; D000941:Antigens; D001717:Birds; D003168:Complement Fixation Tests; D005827:Genetics, Microbial; D006385:Hemagglutination Inhibition Tests; D006389:Hemagglutinins, Viral; D006736:Horses; D006801:Humans; D007106:Immune Sera; D007251:Influenza, Human / Q000276:immunology; D008566:Membranes / Q000276:immunology; D009439:Neuraminidase / Q000378:metabolism; D009975:Orthomyxoviridae / Q000145:classification / Q000201:enzymology / Q000276:immunology; D013045:Species Specificity; D013552:Swine
chemical_list: D000941:Antigens; D006389:Hemagglutinins, Viral; D007106:Immune Sera; D009439:Neuraminidase