VRUS: Confirmed on the AASLD webcast that PSI-879 and PSI-938 are prodrugs of the monophosphate nucleotide, as posted in <a href='read_msg.aspx?message_id=42335204'>#msg-42335204</a>. Regards, Dew Link for VRUS AASLD webcast: <a href="http://investor.pharmasset.com/events.cfm" rel="nofollow" target="_blank">http://investor.pharmasset.com/events.cfm</a> Link for AASLD webcast slides (see slide #39): <a href="http://investor.pharmasset.com/common/download/download.cfm?companyid=VRUS&fileid=329458&filekey=c67362a8-fc76-4ddb-bb0d-3eeeffd2d619&filename=IR%20Event%20Slides%20AASLD%20110209_FINAL.pdf" rel="nofollow" target="_blank">http://investor.pharmasset.com/common/download/download.cfm?companyid=VRUS&fileid=329458&filekey=c67362a8-fc76-4ddb-bb0d-3eeeffd2d619&filename=IR%20Event%20Slides%20AASLD%20110209_FINAL.pdf</a>