FIG. 4.

Weights of mice following peroral inoculation with T3SA+. C57BL/6 wt and cathepsin-deficient mice, 2 to 4 (d) days old, were inoculated perorally with 10² PFU T3SA+. Mice were weighed only on the day of harvest, as indicated. Results are displayed as the mean weights of 6 to 20 animals. *, P values of <0.05, as determined by Student's t test, in comparison to the level for wt mice at the same time after inoculation.