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2010s Haiti cholera outbreak
DateOctober 2010 – present
LocationHaiti
CauseSuspected contamination by United Nations peacekeepers.
Casualties
10,075 dead (all countries)
 Haiti 9,568 dead (28 Dec 2017 )  Dominican Republic 503 dead (28 Dec 2017)  Cuba 3 dead (18 Oct 2013)  Mexico 1 dead (18 Oct 2013)
Cases:
809,262 (Haiti),
33,342 (DR),
678 (Cuba),
190 (Mexico)

Cases recorded in:

The 2010 Haitian cholera outbreak was the first modern large-scale outbreak of cholera – a disease once considered beaten back largely due to the invention of modern sanitation. Since its reintroduction to Haiti in October 2010, cholera has spread across the country and has become endemic, causing high levels of both morbidity and mortality. Since its reintroduction to Haiti following the 2010 Haitian earthquake, nearly 800,000 Haitians have been infected by cholera, and more than 9,000 have died, according to the United Nations (UN). Cholera transmission in Haiti today is largely a function of eradication efforts including WASH (water, sanitation, and hygiene), education, and oral vaccination, and climate variability. Early efforts were made to cover up the source of the epidemic, but thanks largely to the investigations of journalist Jonathan M. Katz and epidemiologist Renaud Piarroux, today it is widely believed to be the result of contamination by infected United Nations peacekeepers deployed from Nepal. In terms of total infections, the outbreak has since been surpassed by the war-fueled 2016–17 Yemen cholera outbreak, although the Haiti outbreak is still the most deadly modern outbreak.

Background