Some survived due to advancements in engineering. Personally I'd take a vaccine over living in an iron lung. http://www.theatlantic.com/national/archive/2012/01/what-america-looked-like-polio-children-paralyzed-in-iron-lungs/251098/

The spirit of the law is the least of the things we're prepared to violate.

Maxim 3: An ordnance technician at a dead run outranks everybody. -The Seventy Maxims of Maximally Effective Mercenaries

Right now I've got just two rules to live by. Rule one: don't taunt elephants. Rule two: don't stand next to anybody who taunts elephants. -Sergeant Schlock

Spy' is such a short ugly word. I prefer 'espionage.' Those extra three syllables really say something.

The size of the promised paycheck is inversely proportional to the likelihood of surviving to collect it.

As long as we only have to lie to the enemy, it's honest enough for me. -Captain Tagon