title: Efficacy of future formulations of Ty21a Salmonella typhi vaccines in endemic areas.
authors.forename: S C
authors.initials: SC
authors.lastname: Arya
mesh_terms: D000818:Animals; D001428:Bacterial Vaccines / Q000494:pharmacology / Q000627:therapeutic use*; D006801:Humans; D008297:Male; D051379:Mice; D008815:Mice, Inbred Strains; D012485:Salmonella typhi / Q000276:immunology*; D013997:Time Factors; D014435:Typhoid Fever / Q000517:prevention & control*
chemical_list: D001428:Bacterial Vaccines