20 Disease Outbreak Maps

Visualizing the spread, distribution, and prevalence of infectious diseases is a vital tool for public health officials. It helps them manage outbreaks and inform the public about risks. For epidemiology enthusiasts, John Snow's 1854 density map of a London cholera outbreak is a landmark. As the first to track infectious diseases this way, Snow earned the nickname 'the father of modern epidemiology.' Here, we feature outbreak and prevalence maps, including international SARS spread routes and 1890 Census maps of scarlet fever.