Insecurity and risk undermine the long-term sustainability of cities worldwide. The spread of disease in cities often occurs as a result of inadequate infrastructure and services. High incidence of traffic fatalities, air pollution related respiratory infections and premature deaths, and communicable, vector, and waterborne diseases can all be related to inadequate, poor, or inefficient urban infrastructure. The number of Ebola deaths in that slum will likely never be known, as bodies have simply been thrown into the two nearby rivers.