The best antivirus is the one you keep up to date and use on a regular basis. No antivirus program will prevent you from ever getting a virus, but as long as keep your antivirus up to date and scan your system on a regular basis, you will greatly reduce your risk of infection. The University of Arizona has a license for the use of Sophos anti-virus on any computer owned or used by UA faculty, staff and students. This includes personal computers.
