What does the government do to respond to threat level increases?
The government steps up security at airports, bridges, tunnels, dams, ports and border crossings. Homeland Security officials contact the nation’s top CEOs and urge them to increase security at their companies’ buildings. Hospitals and health officialsare told to have plans in place to respond to a biological attack. State and local officialsput more police on the streets and increase security at utilities and other vulnerable targets.
