Inhibitory effect of PVP-I on influenza viral infection in MDCK cells. (A) A simplified diagram of the infection assay used in this study. (B) Quantification of viruses in cells at Ex355/Em460 is expressed as percent virus yield (left Y axis) and percent inhibition (right Y axis) of untreated infected cells.
Sriwilaijaroen et al. Virology Journal 2009 6:124 doi:10.1186/1743-422X-6-124