WHO Grad 2 emergency
From 15 August 2015 through 7 January 2018, 33 421 cases including 542 deaths (case fatality rate = 1.62%) have been reported across all 26 regions of the United Republic of Tanzania (Tanzania mainland and Zanzibar). Tanzania mainland has reported 86% of the total cases in this outbreak. Children under five years old accounted for 11.4% of cases. Since the beginning of the outbreak over 7000 specimens have been tested for cholera and 47% were positive for Vibrio cholerae by culture.