The sky is falling, or never mind. AV vendor press releases are always amusing to read.
http://news.com.com/Zotob+worm+finds+its+path+limited/2100-7349_3-5833777.html?tag=nefd.top As of Monday morning on the West Coast, the original Zotob.A had infected about 50 computers worldwide, and the first variant, Zotob.B, had compromised about 1,000 systems, the antivirus software maker said.