"Robert J. Chassell" wrote:
> Perhaps continually releasing new microbes will have the effect; but I
> think the novel employs some literary exaggeration. Is it not true
> that in practice, in a closed community, you don't get colds, not
> after the beginning? When he was in the navy, Fred spent months under
> water in a nuclear submarine. He said that after a short time, no one
> caught any more colds.
Once everyone is exposed to all the available microbes and dealt with
them, if no new microbes are introduced, that's it. Right?
I guess the opposite of a submarine would be a toddler room in a
day-care center....
Julia
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