Fig. 3. Anti-influenza virus activity of BeA and oseltamivir in the mice. Mice were infected with 5×103 pfu/30 μl of influenza A/PR/8 virus, orally administered with BeA and oseltamivir for 7 days after virus infection. Mice were sacrificed at 7 days post infection, and lung sections were prepared as described in Materials and Methods. (A) Representative H&E stained samples of lung section from uninfected or influenza A/PR/8 virus-infected mice were shown at 200× magnification. Infected mice were treated with BeA or oseltamivir. (B) Pathological grade of mice which were administrated orally for 7 days after infection. **p<0.01; ***p<0.001, and n.s. for not significant.
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