Fizzer Worm Wallops World Complex new virus spreading fast. The Fizzer worm, which first caught security experts' attention last Thursday, is hitting computer users across the globe early this week, spreading through email and popular file-swapping networks. Tonight on "Tech Live," get the very latest news on Fizzer, and see how to get rid of this new menace. Security firm MessageLabs says its scanners caught 18,000 email messages containing Fizzer on Monday alone. The virus spreads in many different forms; its infection rate is climbing. McAfee, Trend Micro, and Symantec each rate Fizzer a medium threat, while F-Secure says Fizzer...