Studies on the antigenic differences between influenza type A2 virus strains.
D000818:Animals; D000941:Antigens / Q000032:analysis*; D002642:Chick Embryo; D002645:Chickens; D003168:Complement Fixation Tests; D006168:Guinea Pigs; D006385:Hemagglutination Inhibition Tests; D006386:Hemagglutination Tests; D006801:Humans; D007106:Immune Sera; D007275:Injections, Intravenous; D051379:Mice; D009500:Neutralization Tests; D009975:Orthomyxoviridae / Q000276:immunology*; D011817:Rabbits
D000941:Antigens; D007106:Immune Sera