Sierra+W

.  Sierra Williams 1. Typhoid Fever guinea-worm disease [] Approximately 884 million people not have access to an improved drinking water source. That is about 25% of the world! []
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The largest waterborne disease outbreak in United States history occurred in 1993 in Milwaukee, WI when over 400,000 people became ill with diarrhea when the parasite Cryptosporidium was found in the city's drinking water supply [|(3)].

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System assessment Monitoring, Management and Communications. []
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