From the Symantec web site:

Be My Valentine Hoax

Hoax Name: Be My Valentine
Region Reported: Email

Description

The following message has been sent out by email. It is a hoax. This "virus" does not exist.

The hoax message includes the following "warning":

Warning on February 14, 2000 you may
receive an email called, "Be My Valentine"...
do not open it, it contains a deadly virus...
it will erase your windows along with many
other program files. Pass this on as soon
as you can to get the WORD out!!!!....this
was reported on the CBS morning news
January 7, 2000.

Please ignore any messages regarding this supposed "hoax" and do not pass on any messages regarding it. Passing on messages about this hoax serves only to further propagate it.