humans and immunity

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Offline eternity

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humans and immunity
« on: 20/03/2014 06:20:53 »
 i was wondering, if two (or more) humans could change place in history,

3 from the present that returned to say; 500, 1000 and 2000 years into the past. The exchange partners came here, now.

Who would be more likely to die from common sickness? Us or them and why?



« Last Edit: 20/03/2014 11:50:44 by eternity »