Number of colony-forming units (CFUs) ofListeria monocytogenesrecovered from spleen lysates on day 2 of the infection. Results were normalized according to tissue weight (n = 5/group). Data are shown as mean SEM.*p < 0.05,**p < 0.01,***p < 0.001,****p < 0.0001. (A, B, and F) Unpaired, two-tailed Student’s t test (D) one-way ANOVA with Holm Sidak’s post hoc test. (G) Two-way ANOVA with Fisher’s least square difference (LSD), (H) Mantel-Cox test, and (I) Mann-Whitney U test.