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Fig. 3 | BMC Complementary Medicine and Therapies

Fig. 3

From: Forsythiaside A improves Influenza A virus infection through TLR7 signaling pathway in the lungs of mice

Fig. 3

Lung pathological changes after influenza virus infection in mice. A Pathological changes of lung tissue in WT mice and TLR7.−/− mice. On the 6th day after infection, lung tissue sections were collected for histopathological analysis (n = 6), Bar = 100 μm. B The effect of forsythiaside A on the lung index of mice infected with influenza virus. Lung index = lung weight/body weight × 100% (n = 3). *P < 0.05, **P < 0.01, ***P < 0.001, NS = not significant, P > 0.05

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