Medicine
Spatial Epidemiology of Vector-Borne Diseases in Peri-Urban Slums
Quick fact
In many peri-urban slums, up to 90% of dengue cases occur within a few hundred meters of a single contaminated water source, because that's where the Aedes mosquitoes breed.
Why this is interesting
You may have noticed that in some cities, dengue or malaria seems to strike certain neighborhoods more than others. But why do these diseases cluster so predictably in the same places?