title: Findings of antibodies to animal influenza viruses in human sera and their significance for the study of interviral antigenic relationship.
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D000818:Animals; D000906:Antibodies / Q000032:analysis*; D000937:Antigen-Antibody Reactions; D000941:Antigens / Q000032:analysis*; D003864:Depression, Chemical; D004372:Ducks; D006385:Hemagglutination Inhibition Tests; D006801:Humans; D009980:Influenza A virus / Q000276:immunology; D008875:Middle Aged; D009500:Neutralization Tests; D009975:Orthomyxoviridae / Q000276:immunology*; D010504:Periodic Acid / Q000494:pharmacology; D011188:Potassium / Q000494:pharmacology; D014422:Turkeys
chemical_list: D000906:Antibodies; D000941:Antigens; D010504:Periodic Acid; D011188:Potassium