McAfee
You can download Mcafee latest antivirus software for trial use here. Good neophyte resource for virus overview and other links.

Data Fellows
Excellent source for virus information. Makers of F-PROT Professional antiviral software.

Sophos
A well-writen virus information site.

Eliashim
Smart card and antivirus products and downloads.

Symantec Anti-Virus Research Center
Information on recent viruses, including how to detect and thwart them.

Trend Micro, Inc.
Anti-virus information, including the Tedious virus.

Anti-Virus Websites Summary
This page lists a number of Virus Bulletin WWW sites with anti-virus information.

W.A.V.C.
Every week new Anti-virus sites: Now over 159 different sites.