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. 2018 Jun 5;9:1195. doi: 10.3389/fmicb.2018.01195

FIGURE 7.

FIGURE 7

Tetra-antigen TMV vaccine induces long-lasting immunity against lethal F. tularensis LVS challenge. (A) C57BL/6 mice were immunized i.n. on days 0, 14, and 28 with tetra-antigen TMV vaccine. These mice received an additional booster with half the dose on day 91 post-primary immunization and were challenged i.n. with 1 × 105 CFU (10LD100) of F. tularensis LVS on day 163 post-primary immunization. (B) Mice (n = 7/group) were observed for mortality and morbidity by monitoring survival and body weights. The results shown are from a single experiment conducted. The data are represented as mean ± SD. The survival results are expressed as Kaplan–Meier survival curves and the statistical analysis was performed by log-rank test.