Epidemiological Update - Cholera - 24 February 2017

Cholera in the Americas - Situation summary

Between epidemiological week (EW) 1 and 5 of 2017, a total of 1,897 cholera cases were reported in Haiti, including 28 deaths. In the Dominican Republic, from the beginning of the year to EW 2 of 2017, there were 7 suspected cholera cases and 2 confirmed cases reported, including one death.

In 2016, four countries of the Americas: the Dominican Republic (1,159), Ecuador1 (1), Haiti (41,421), and Mexico (1) reported suspected and confirmed cases.

In Haiti, in 2017 up to EW 5, a total of 1,897 cholera cases, including 28 related deaths (case fatality rate: 1.5%) were reported.2 In this period, the number of reported cases is lower than reported in 2015 and 2016. In relation to the in-hospital case fatality rate (CFR), it has remained around 1% since 2011.

At the sub-national level, the departments with the highest reported cases in EW 5 in descending order are: Artibonite, Centre, Nord, Nord- Ouest, and Ouest (which includes Portau-Prince).
In the departments of Grand Anse and Sud, areas affected by the passing of Hurricane Matthew on 4 October 2016, there is a low level of suspected cholera cases and a declining trend since their respective peaks in EW 43 and 42, respectively (Figure 1).