[at-l] what *IS* the risk of water borne pathology?

[Tom McGinnis]

### My favorite innocent response to inquiries is,
"But I don't *see* any giardia in the water!"

--- On Fri, 11/20/09, Black Wolfe <blackwolfe at charter.net> wrote:

> Or might be a carrier.
> ----- Original Message ----- 
> From: "Amy Forinash" 
> > 
> > Those of you who haven't gotten sick from water while
> hiking may already harbor a resistance through previous
> exposure.  FWIW.