The following sites provide information on antivirus:
http://www.networkassociates.com/us/security/vil.htm
http://www. symantec .com/avcenter/
http://www.alt.comp.virus
http://www.alt.comp.virus.source.code
http://www.microsoft.public.scripting.virus.discussion
http://www.symantec.support.winnt.nortonantivirus.general