Originally Posted By sandia
An editorial a few years ago, in a peer-reviewed medical journal, argued that scientists should point out that, based on evidence, hand-washing, rather than filtering water, is best means to avoid gastro-intestinal complaints related to backcountry travel.


I think this bears repeating, and is something I've read more than once.

The lack of personal hygiene in the backcountry often is the "culprit", not un-filtered water.
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