Changing dynamics of infection over time.

<p>Transmission model calibrated to the cumulative number of EVD cases reported in SL from May 19, 2014, to January 19, 2015 and comparison of observed and projected cases from January 19,2015 to October 1, 2015, (upper panel). The lower panel shows the model’s weekly projected cases overlaid on the reported weekly cases in SL.</p>