Since the outbreak began in August 2008, cholera has spread to all of Zimbabwe's 10 provinces and 53 of Zimbabwe's 62 districts. On December 26, the U.N. World Health Organization (WHO) reported cholera cases in Matabeleland North Province, previously the only province without any reported cases. To date, the highest caseloads have been reported in Harare, Beitbridge, Makonde, and Chegutu districts, with a recent surge in the number of reported cases in Manicaland Province. ' As of December 30, cholera had caused more than 1,550 deaths, with nearly 31,000 cases reported, according to WHO. The reported figures represent an approximate doubling of both cases and deaths during the past three weeks. Currently, the U.N. health cluster is planning based on a worst-case scenario of 60,000 cases nationwide.