The reason I ask this is because there is an old saying about people who are travelling to mexico, etc, something like "Don't drink the water" and its known to give visitors the runs. But it does not effect people who live there , only visitors. Thats why I thought they might have an immunity from e. coli from prior exposure. I know there are other causes of waterborn illness, but I'm under the impression that when travellers get " the runs" from drinking water in various parts of the earth, it is e. coli that is causing it most of the time.
So if I already had an e. coli infection once, can I get it again?
2007-07-17
22:45:14
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2 answers
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asked by
Anonymous