CNN.com - Health: Saris can help reduce cholera

CNN.com - Health CNN.com delivers up-to-the-minute news and information on the latest top stories, weather, entertainment, politics and more.

Saris can help reduce cholera Jun 5th 2013, 12:41 A rudimentary filter can help control cholera in developing nations by filtering out bacteria. Rita Colwell calls it "a very simple step, and very important."

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