Since the cholera outbreak began in August 2008, the disease has spread to 60 of Zimbabwe's 62 districts. As of April 1, nearly 94,300 reported cases of cholera had caused more than 4,100 deaths, according to the U.N. World Health Organization (WHO). On March 21, the total caseload exceeded 92,000 cases, the previous WHO estimate of the outbreak's likeliest overall scope. ' On April 1, WHO reported a sustained decline in the rates of cholera deaths and new cases over the past eight weeks. On March 27, the U.N. Office for the Coordination of Humanitarian Affairs (OCHA) stressed the ongoing need for vigilant surveillance and robust response activities despite the declining caseload countrywide. ' On March 24, WHO recorded the first cholera case in Umzingwane District, Matabeleland South Province. To date, however, the organization has not reported additional cases in the district.