By Ned Rozell
Years ago, I worked for a hunting guide on a river in the middle of Alaska. One of my duties was to drive a motorized canoe full of moose meat upstream to a gravel bar where he could fly it out.
When I returned home from that trip, something funny happened: the noises from my abdomen were so loud that my dog barked at them. Though I’m always careful about treating my drinking water, I came back to town with an intestinal parasite known commonly as Giardia.
Here are some facts from the book Giardia and Giardiasis, edited by Stanley Erlandsen of the University of Minnesota
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