Fig. 5

Evaluation of lung lesions after JXwn06 challenge. A Representative gross lung lesions at 21 day post challenge. B Histopathological examination of lung lesions at 21 day post challenge. Representative images are showed. C The mean scores of gross (left) or microscopic (right) lung lesions of each group based on the severity of interstitial pneumonia. Error bars represent standard deviation (SD). Asterisks mean the statistical difference (*, P < 0.05; **, P < 0.01; ***, P < 0.001)