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. 2018 Jul 30;9:1764. doi: 10.3389/fimmu.2018.01764

Figure 4.

Figure 4

Azithromycin (AZM) treatment during immunization attenuates the protective efficacy of a whole cell pertussis (wP) vaccine. Mice were treated with AZM or vehicle during immunization with wP vaccine 6 and 2 weeks before aerosol challenge with Bordetella pertussis. Results are mean ± SEM, CFUs in lung homogenates of four mice per group at each timepoint. Statistical significances were determined via two-way ANOVA followed by Tukey’s multiple comparisons test, only VAC compared to VAC + AZM is indicated, significances for comparison between NON VAC and VAC/VAC + AZM was highly significant (***, not indicated), ***p < 0.001.