title: Impairment of immunogenicity of Salmonella typhi Ty21a due to preexisting cross-reacting intestinal antibodies.
authors.forename: B D
authors.initials: BD
authors.lastname: Forrest
mesh_terms: D000907:Antibodies, Bacterial / Q000096:biosynthesis*; D003429:Cross Reactions; D006801:Humans; D007071:Immunoglobulin A, Secretory / Q000276:immunology*; D007422:Intestines / Q000276:immunology*; D012485:Salmonella typhi / Q000276:immunology*; D014436:Typhoid-Paratyphoid Vaccines / Q000276:immunology*
chemical_list: D000907:Antibodies, Bacterial; D007071:Immunoglobulin A, Secretory; D014436:Typhoid-Paratyphoid Vaccines