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Giardia/hiking and you

OPB | Feb. 1, 1998 7:30 p.m.

Beavers and other animals can contaminate even the most pristine-looking streams and lakes with giardia. This parasite can cause weeks or months of intestinal pain, diarrhea and weakness, so hikers and campers should always filter or boil their water.

First Broadcast: 1998
Producer: Jim Newman


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