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Last updated on April 20, 2014 at 5:20 EDT

International News Archive - November 19, 2012

Snails In The Water Causing Disease In The Villages

Watch where you jump in for a swim or where your bath water comes from, especially if you live in Africa, Asia or South America. Snails that live in tropical freshwater in these locations are intermediaries between disease-causing parasitic worms and humans.