SST gradients comparison.

<p>(Top panel) SST dipole time series (black line) between 2002 and 2005 and the seasonal dipole mean computed over the four year period (grey line). (Bottom panel) SST dipole anomaly.</p

Patterns of daily accumulated number of cholera cases and rainfall for the Dakar region.

<p>Cholera cases and rainfall between May 10, and December 31, 2005, are represented by grey and black lines, respectively.</p

Temporal variability of cholera in Senegal.

<p>Daily accumulation of cholera cases anomaly observed over 11 regions of Senegal between May 10, and December 31, 2005.</p