I hope you have your virus protection up to date.
Practice safe surfing!
David Clain at Swagu expresses doubt that computer users will ever be able to do more against viruses that just get a "stalemate".
Google Blogscoped offers a technique for removing the dreadful MyDoom virus.
It can be found here:
Remove the MyDoom Virus
In the meantime, don't open attachments to e-mails.
Even if they are from friends.