The new wave is citizen preparedness. For people who survive the initial blast, the main advice is to fight the impulse to run and instead seek shelter from lethal radioactivity. Even a few hours of protection, officials say, can greatly increase survival rates.
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“Public education is key,” Daniel J. Kaniewski, a security expert at George Washington University, said in an interview. “But it’s easier for communities to buy equipment — and look for tech solutions — because there’s Homeland Security money and no shortage of contractors to supply the silver bullet.”