Microsoft posts antivirus guide
Microsoft must really have security on its mind. Along with the slow-and-steady rollout of Windows XP Service Pack 2, Microsoft has published The Antivirus Defense-in-Depth Guide version 1.1.
Microsoft Solutions for Security: The Antivirus Defense-in-Depth Guide provides an easy to understand overview of the assorted types of malware, their risks, characteristics, means of replication and payloads. The solution also details the considerations for implementing a comprehensive antivirus defense for your network, servers and clients which goes beyond simply installing antivirus software into the related tools which will help reduce your risk of infection. Lastly, the solution provides a comprehensive methodology for quickly and effectively responding to outbreaks or incidents when they occur.
The PDF can be read here