Since August 2008, cholera has spread through 9 of Zimbabwe's 10 provinces. As of December 11, cholera had caused nearly 800 deaths, with more than 16,400 cases reported, according to the U.N. Office for the Coordination of Humanitarian Affairs (OCHA). On November 18, M'decins Sans Fronti'res reported that an estimated 1.4 million Zimbabweans could be at risk if cholera continues to spread. ' A breakdown in water and sanitation infrastructure has exacerbated Zimbabwe's cholera outbreak, and the nation's collapsed health system is unable to respond adequately. On December 3, the Government of Zimbabwe (GOZ) Health Minister requested international assistance to respond to the cholera outbreak. ' The cholera outbreak has spread to border areas of neighboring South Africa, Botswana, and Mozambique, according to OCHA.