title: Abnormalities of the immune response to influenza antigen in Down syndrome (trisomy 21).
mesh_terms: D000917:Antibody Formation; D000956:Antigens, Viral / Q000276:immunology*; D004314:Down Syndrome / Q000276:immunology*; D006801:Humans; D007111:Immunity, Cellular; D008222:Lymphokines / Q000502:physiology; D009975:Orthomyxoviridae / Q000276:immunology
chemical_list: D000956:Antigens, Viral; D008222:Lymphokines