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Researchers Discuss Viruses--and Take a Computer One Home

VIENNA—Viruses often lurk in the most unexpected places, several scientists warned at the International Meeting on Emerging Diseases and Surveillance, which was held here last weekend. And they were right. Within 24 hours of the meeting's end, participants received a high-priority e-mail asking them not to use the CD-ROM containing the speakers' PowerPoint presentations. The disks, which were sold for €15, are infected with the W32.Mabezat.B computer virus.

Carpe Diem, the Austrian company that produced the CD, says it will make the slides available on its Web site later this week. The good news: In contrast to many of the pathogens discussed at the meeting, antiviral treatment is available for this one.