In May, thousands of police, doctors, firemen and dozens of local, state and federal agencies responded to a simulated explosion in Seattle and ‘discovery’ of germ-warfare toxins in Chicago to test their responses. Code name: TOPOFF 2. The exercise was planned but it still tested skills. Meanwhile, a state-of-the-art control centre is up and running in Washington to coordinate the mobilisation of 8,000 doctors and nurses and shipment of 50 tonnes of supplies anywhere in the US in seven hours. Citizen corps councils are operating in 40 cities to help out.