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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 4.

Figure 4

Swiss-Webster mice were infected with 1 × 103 cfu of WT or various mutant strains of S. Typhimurium. a) Serum IgG1 and b) serum IgG2a concentrations were determined by ELISA at the indicated times after infection. Data are expressed as mean ± S.D. The p-values of < 0.05 for all mutant strains except msbB (only IgG1) compared to WT at all time points were considered statistically significant (*). The actual p-values (Student’s t-test) are provided.