Click on Monitors > Logs then in drop down select Computer Status then select Advanced settings at bottom of page at the top you will see filter settings select Compliance options then check infected only box and click View Log.
This will view all infected select all from drop down then clcik on clear infected once clear go back to Home page and refresh the screen job done. every now and again you will get a ghost figure this will clear over time but this process will delete the majority.
You can no longer do the process I've posted on SEP 12 symantec have removed it booo!!!
Process only works on a SEP 11 manager.