After astragalus had been used,expression of viral antigen reduced,and degree of vero cells CPE that had been caused by supernatant of CVB3-ECV304and CVB5-ECV304and viral titer of supernatant decreased.

• 经黄芪作用后 ,CVB3-ECV304和CVB5-ECV304持续感染细胞模型病毒抗原表达减少 ,细胞模型培养上清液中病毒含量减少 ,致Vero细胞病变程度减轻。