Fig. 4From: Sheng Jiang San, a traditional multi-herb formulation, exerts anti-influenza effects in vitro and in vivo via neuraminidase inhibition and immune regulationLung hisotopathologic changes of mice were examined on the sixth day. Representative histologic sections of sacrificed mice from a Vehicle group b Oseltamivir group c SJS group d Untreated group were visualized using hematoxylin and eosin staining. The black arrows in B-D highlight the area of inflammatory cell infiltration in submucosal layer of airway epithelium and perivascular region. (Magnification: 100×)Back to article page