Figure 1From: Selection of hepatitis C virus resistant to ribavirinSelection of HCV resistant to ribavirin. J6/JFH1 virus was serially passaged in Huh7D cells in medium containing the indicated amount of ribavirin; at each passage intra-cellular HCV antigen was detected by immunfluorscence as described in the text. The percentage of infected cells was calculated by dividing the estimated amount of positive cells over the total number of cells per well.Back to article page