Designing the New Generation of HIV Prevention Efficacy Trials All Docs Designing the New Generation of HIV Prevention Efficacy Trials Read History Click on a revision date from the list below to view that revision. Alternatively, you can compare two revisions by selecting them in the 'Old' and 'New' columns, and clicking 'Compare Revisions'. Old New Date Created Author Actions Old New March 16, 2020 at 6:30 pm Jessica Salzwedel