Jejunum changes as assessed by histology using a light microscope.

<p>(A) RV+PBS group. (B) RV+Ribavirin group. (C) RV+CsA group. (D) PBS group. (A-D) Morphologic changes in mouse jejunum pathology under a light microscope after 3 days of treatment (H&E, magnification: 200×). Red arrow: Villus vacuolar degeneration. Green arrow: Lesion on the epithelium. Blue arrow: Intestinal hydropsia.