title: Persistence of antibody to envelope antigens of Heq2Neq2 virus in ponies after infection and vaccination.
mesh_terms: D000818:Animals; D000914:Antibodies, Viral / Q000032:analysis*; D000917:Antibody Formation; D000937:Antigen-Antibody Reactions; D000956:Antigens, Viral; D006389:Hemagglutinins, Viral; D006734:Horse Diseases / Q000276:immunology*; D006736:Horses; D007252:Influenza Vaccines; D009439:Neuraminidase; D009975:Orthomyxoviridae / Q000276:immunology*; D009976:Orthomyxoviridae Infections / Q000276:immunology / Q000662:veterinary*; D014611:Vaccination
chemical_list: D000914:Antibodies, Viral; D000956:Antigens, Viral; D006389:Hemagglutinins, Viral; D007252:Influenza Vaccines; D009439:Neuraminidase