Screening for Anti-Influenza Actives of Prefractionated Traditional Chinese Medicines

Figure 4

Titer reduction assay against wt-PR8 virus. MDCK cells were infected with influenza PR8 virus in presence of DMSO or indicated samples at 20 µg/mL. At 36 hours after infection, the viral yield was determined. Results are the means ± standard deviation. All data have three multiple duplications. , ; ns, no significant difference. The dotted line represents the detection limit.