The Lancet
Dec 11, 2010  Volume 376 Number 9757  Pages 1959 – 2040
http://www.thelancet.com/journals/lancet/issue/current

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Cholera’s western front
Jason B Harris, Regina C LaRocque, Richelle C Charles, Ramendra N Mazumder, Azharul I Khan, Pradip K Bardhan

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The cholera epidemics of the 19th century forged the way for the revolution in sanitation and the provision of safe sources of public water, which are the hallmark of developed countries. Nevertheless, more than 1 billion people, including much of the Haitian population, have little access to safe sources of water, and hence remain vulnerable to cholera epidemics.