Fig 1. The BCG->naive mice showed reduced levels of anxiety-like behavior in the EPM and OFT.

Bars represent the average amount of time spent in open arms, in close arms, at the ends of open arms and at the center of each group of mice for the EPM (A-D). Bars represent the average amount of time spent in corners and central areas and the distance travelled by each group of mice for the OFT (E-G). Data represent means ± SEM. *p< 0.05, **p< 0.01; n = 5-12/group (because the nude mice have low immunity and are prone to death, the number of mice in the study ranges widely).