How Much of a Threat is Bioterrorism? / Deutsche Welle, 1 Mar 2005 |

http://www.dw-world.de/dw/article/0,,1505273,00.html?maca=en-bulletin-433-html
"Bioterrorism is seen as a real threat in today's world. But for an attack to cause significant damage, pathogens are needed that are effective even when spread over a large area. That requirement is hard to meet."