title: Serological investigations concerning the circulation of influenza viruses among men and some domestic animals in live-stock farms.
mesh_terms: D000382:Agricultural Workers' Diseases / Q000453:epidemiology*; D000818:Animals; D006734:Horse Diseases / Q000453:epidemiology*; D006736:Horses; D006801:Humans; D009980:Influenza A virus / Q000302:isolation & purification; D007251:Influenza, Human / Q000453:epidemiology* / Q000662:veterinary; D009975:Orthomyxoviridae / Q000302:isolation & purification; D012383:Romania; D013552:Swine; D013553:Swine Diseases / Q000453:epidemiology*