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. Author manuscript; available in PMC: 2009 Sep 28.
Published in final edited form as: Microb Pathog. 2007 Oct 6;44(3):224–237. doi: 10.1016/j.micpath.2007.09.005

Figure 5.

Figure 5

Sera from Swiss-Webster mice immunized once with 1 × 103 cfu of lppB/msbB or lppAB/msbB mutant S. Typhimurium completely protected animals from rechallenge with 1 × 104 cfu of WT S. Typhimurium. Mice were injected i.v. with 120 μl of sera from mice infected with either WT or lppB/msbB or lppAB/msbB mutant strains of S. Typhimurium. Control groups received PBS or pre-immune sera. After 24 h, mice were challenged with 1 × 104 cfu WT S. Typhimurium and observed for 30 days. The actual p-values (Fisher’s exact test) between different groups are provided. Asterisks denote statistically significant differences.