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. 2016 Sep 15;1:16012. doi: 10.1038/npjvaccines.2016.12

Figure 4.

Figure 4

Boosting of BCG protective immunity by CysVac2. C57BL/6 mice (n=5) were vaccinated with BCG s.c. or left unvaccinated and 12 weeks later boosted s.c. with 3 doses of CysVac2/MPL-DDA or with MPL-DDA alone. Six weeks after last boost, mice were challenged with ~100 CFU of M. tuberculosis by aerosol route and after 4 weeks the bacterial load enumerated in the lung (a) and spleen (b). Data are combined from two experiments and presented as the Log10 CFU difference for each individual mouse compared with the mean of unvaccinated animals. The significance of differences between groups was determined by one-way analysis of variance (ANOVA) (*P<0.05; **P<0.01; ***P<0.001).