Chinese experts on Sunday warn computer users to guard against computer viruses between Feb. 27 to March 5.

A virus, known as "Worm_Gift.B" will spread chiefly through e-mails or on-line chat systems, according to China National Computer Virus Emergency Response Center on Sunday.

Other viruses derived from Worm_Mytob will also assault computers if users open e-mails or attachments disguised with the following data: I-Worm.RunDIIw32Activated This is a I-Worm coded by Bumblebee 29a!Gretingz to all 29a members;.

The computer virus center reminds users to be wary of unidentified e-mails and to update anti-virus software and use real-time computer virus monitoring function whenever surfing the Internet.

(Xinhua News Agency February 27, 2006)