You can find additional information on viruses, worms, and Trojan horses from the following websites:
http://symantec.com/avcenter/home_homeoffice/ http://www.microsoft.com/athome/security/viruses/ http://vil.nai.com/vil/
http://symantec.com/avcenter/home_homeoffice/
http://www.microsoft.com/athome/security/viruses/
http://vil.nai.com/vil/