Symantec

URL: http://securityresponse.symantec.com/avcenter/vinfodb.html
Title: Symantec Security Response - Search and Latest Virus Threats Page

Description: Virus information and threat assessment from Symantec/Norton

Comment: Good source for clean-up tools with 68 available at last count.

Virus.com

URL: http://www.viruslist.com/eng/index.html
Title: Viruses, anti-viruses, events, facts and commentary

Description: The Biggest Virus Encyclopedia

Comment: Kapersky's virus.com claims to be the largest virus encyclopaedia. The site is well set out with spam  as well as virus information.

Virus map (courtesy of Trend Micro)