Table 4. Lung and lymph node score in different treatment groups.

Groups	Lung (%)	Lymph node
rAd	17.4 ± 1.1†	3.75 ± 0.25†
rAd-Cap	8.4 ± 0.74*,†	2.33 ± 0.33†
rAd-Cap-InvC	1.6 ± 0.16*	0.75 ± 0.25*
ZJ/C-strain vaccine	0.87 ± 0.2*	0*
PBS	18.5 ± 0.52†	3.67 ± 0.33†

Cap, protein capsid; InvC, C-terminal domain of Yersinia pseudotuberculosis invasin; PBS, phosphate-buffered saline.

^*,†The mean lesion scores with different superscripts are significantly different from each other (p < 0.05).