title: Virulence and immunogenicity of galactose-resistant variants of Salmonella typhi Ty21a.
authors.forename: M
authors.initials: M
authors.lastname: Saxena
authors.forename: P B
authors.initials: PB
authors.lastname: Percheson
authors.forename: J L
authors.initials: JL
authors.lastname: Di Fabio
mesh_terms: D000818:Animals; D002238:Carbohydrate Epimerases / Q000235:genetics; D004352:Drug Resistance, Microbial; D005260:Female; D005690:Galactose / Q000378:metabolism / Q000494:pharmacology*; D051379:Mice; D009154:Mutation; D011135:Polysaccharides, Bacterial / Q000009:adverse effects / Q000276:immunology*; D012485:Salmonella typhi / Q000235:genetics / Q000276:immunology / Q000378:metabolism / Q000472:pathogenicity*; D014435:Typhoid Fever / Q000517:prevention & control*; D014436:Typhoid-Paratyphoid Vaccines / Q000009:adverse effects / Q000276:immunology*; D014534:UDPglucose 4-Epimerase; D014774:Virulence
chemical_list: D011135:Polysaccharides, Bacterial; C072772:Ty21a typhoid vaccine; D014436:Typhoid-Paratyphoid Vaccines; D002238:Carbohydrate Epimerases; D014534:UDPglucose 4-Epimerase; C020551:galactose epimerase; D005690:Galactose