Quote:
Originally posted by phogirl69
I'm not an expert on this stuff at ALL, but I was just wondering, so these biological germs or whatever they are called can PENETRATE walls and airtight seals? How do they get inside your house to kill you if you seal off your windows and doors??? 
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I would be more worried about some type of dirty bomb that spreads radiation over a large area. Radiation will penetrate walls (even cement) and the only way to avoid it is being 3 feet below the ground.