Methods Virus Cytopathogenic Effect(CPE) was used in vitro to measure half inhibitary concentration(IC_50),inhibitory concentration(MIC) and treat index(TI).

• 方法体外试验采用病毒细胞病变观察(CPE)法测定药物的半数抑制浓度(IC50)和最小有效浓度(MIC)及治疗指数(TI);