The rooms range from the simple - a reinforced door with a phone and a fridge - to the elaborate, with video banks, computers, air-cleaning systems and even protection against bacterial warfare.

The rooms range from the simple - a reinforced door with a phone and a fridge - to the elaborate, with video Banks, computers, air-cleaning systems and even protection against bacterial warfare.

A very serious and rapidly progressing form of the disease occurs when bacterial spores are inhaled making anthrax a potent threat when used as a biological warfare agent.