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Medical News & Perspectives
July 21, 2004

Access to Clean Water and Sanitation Pose 21st-Century Challenge for Millions

JAMA. 2004;292(3):318-320. doi:10.1001/jama.292.3.318

Earlier this year, epidemiologists from the Centers for Disease Control and Prevention (CDC) found a silver lining in the midst of a cholera outbreak they were investigating in Zambia's capital city, Lusaka. They discovered that up to 25% of the city's households use a low-tech, low-cost method to disinfect and safely store water for drinking, bathing, food preparation, and hygiene.

"That's a great success—a large segment of the population is using this preventive measure," says Pavani Kalluri, MD, a medical epidemiologist at the CDC, as she discuses the Safe Water System (SWS).