title: Occurrence of influenza A-equi-2 infection of horses in hungary.
mesh_terms: D000818:Animals; D006385:Hemagglutination Inhibition Tests; D006734:Horse Diseases / Q000453:epidemiology*; D006736:Horses; D006814:Hungary; D009975:Orthomyxoviridae / Q000302:isolation & purification; D009976:Orthomyxoviridae Infections / Q000453:epidemiology / Q000662:veterinary*