A. CXCL1, B. CCL3, C. CCL2, D. CXCL10, E. TNF-α and F. IL-17A detected in whole lung homogenates (pg / mL / mg lung tissue) at three time points after the first (day -14) and second (day -7) intranasal inoculation with L. reuteri (Lac, filled bars) or PBS/BSA control (PBS, open bars); n = 4 – 8 mice/time point, *p < 0.05, **p < 0.01, ***p < 0.005. No type I interferons were detected at any time point. Data compiled from 2 independent experiments.