5.) Copy all your documents back onto the hard drive.
6.) Do the same procedure on all infected floppies.
Chances are good that this will clean all viruses from your system, but it takes quite a while. Infected Shareware or public domain programs for which you have no clean copies will be lost.
If you encounter an unknown virus, it is best to contact the writers of anti-viral software, they are quick to update their software and need to receive copies of any new viruses.