LAUNCH is a partnership between NASA, USAID, U.S. Department of State, and NIKE. LAUNCH identifies and supports ground-breaking innovations that show promise in creating a sustainable future. LAUNCH will change our world.

Dr. Sobsey has developed three versions of a simple, low-cost test for quantifying fecal contamination in water. Each variation involves a plastic bag into which is placed a water sample and a bacteriological medium that does not need to be boiled or autoclaved, and that can be incubated at temperatures 25–45 degrees Celsius—a range encompassing the environments of nearly all tropical and subtropical countries.

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