Figure 6.

CD4 T_RM cells in lungs of immunized mice after challenge with B. pertussis. C57BL/6 mice were immunized as described in Figure 2 and CD4 T_RM were quantified in the lungs of immunized mice 7 days post-B. pertussis challenge as described in Figure 4. Absolute counts of CD4⁺ T_RM (CD45–, CD44+, CD62L⁻, CD69+, CD103+/–, CD4+) are represented. Data are mean ± SEM (n = 4 mice) for CD4⁺ T_RM cells from lungs. ^*p < 0.05, two-way ANOVA with Bonferroni multiple-comparison test. Representative flow cytometry plots are shown on the right.