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Immunization with highly in vivo expressed Salmonella antigens protects mice against a lethal challenge infection with 500 LD50 of virulent wild-type Salmonella. Survival data are shown for groups of 5 naive mice, 5 sham-immunized mice, 10 mice immunized with an irrelevant Helicobacter antigen (HP0231), and 10 mice immunized with a combination of Mig-14 and SseB.
