clipped from: www.telegraph.co.uk A security source told the paper: "This is the deadliest weapon yet in the war against terror. Most of the terrorists do not have the basic medical supplies needed to treat the disease.
"It spreads It spreads quickly and kills within hours. This will be really worrying al-Qaeda."
Black Death comes in various forms and was one of the deadliest pandemics in human history when it struck in the 1340s killing 75 million people across North Africa, Asia and Europe.
Bubonic Plague is spread by bites from infected rat fleas. Symptoms include painful boils in the groin, neck and armpits. In Pneumonic Plague, airborn bacteria spread like flu. Without medication it can be deadly.
The group, led by wanted terror figure Abdelmalek Droudkal, was forced to turn its shelters in the Yakouren forest into mass graves and flee.
A source said: "The emirs (leaders) fear surviving terrorists will surrender to escape a horrible death."