High-resolution spatial analysis of cholera patients reported in Artibonite department, Haiti in 2010-2011.

•We used patients addresses to examine spatial distribution of cholera cases.•Mapping was done with high resolution units, namely “sections communales”.•During the first peak, cholera spread mainly along Artibonite River.•During the second peak, remote mountainous areas were most affected.•High heterogeneity of distribution of cases was found in neighboring locations.