Fig. 2

Real time forecasts of suspected patients of cholera epidemic, Yemen, 2017. The weekly reported incidence that were released on 11, 19, 26 June and 3 July 2017 were compared with forecasts of logistic model and Richards model (i.e., generalized logistic model) on figures a), b), c) and d), respectively. Week 16 in 2017 corresponds to the week starting from 16 April and it is the beginning of the second wave of cholera epidemic in Yemen, 2017