Soho notes database file9/21/2023 ![]() ![]() ![]() RTM is a spatial analysis method primarily used to assess micro-level environmental risks of crime throughout a landscape. Snow’s work is a compelling reason to use it as a baseline for comparison purposes and spatial hypothesis testing with RTM. However, this paper is a unique complement to prior studies by offering Risk Terrain Modeling (RTM) as a contemporary spatial diagnostic method that can be used to embark on similar epidemiological investigations. Snow’s data through geographic information systems (GIS) mapping, or to offer empirical support for why Snow was wise to challenge medical theories that were popular at the time. This paper is not the first to analyze Dr. Snow’s finding, then, both revolutionized the way cholera was understood and how disease source detection could be accomplished through epidemiological investigation. Further, eradication of a waterborne disease without finding the source is impossible and puts lives at continued risk of illness or death. As one can imagine, strategies to combat airborne diseases versus waterborne disease are very different. Snow’s investigation, cholera was thought to be an airborne disease. His hypothesis that cholera was a waterborne disease and his investigation to prove it informed decisions by local officials to decommission the offending well water pump, thereby stopping the spread of cholera. He used primary data collection and crude mapping techniques as spatial evidence to trace the source of the epidemic to a specific well water pump. John Snow is frequently regarded as the father of epidemiology based on his storied success at curbing the cholera outbreak in the Soho neighbourhood of the Parish of Saint James, Westminster, London in 1854. Snow in the 1800s, we discuss RTM’s implications for present-day research and practice as it relates to the analysis, prevention and treatment of cholera and other public health threats around the world.ĭr. We learned that it could and, although it was not available to Dr. Snow’s hypothesis about cholera and empirically identified the sole source of contaminated well water. Informed by the extant research on RTM, we speculated that it could have helped test Dr. His methods have since inspired several fields of scientific inquiry. Snow saved countless lives when he traced the source of the cholera outbreak to a specific water pump through inductive reasoning, which he communicated through maps and spatial evidence. John Snow’s data from the 1854 cholera outbreak in London to demonstrate its potential value to contemporary epidemiological investigations. Originally developed for applications to violent crime analysis, RTM is utilized here to analyze Dr. Risk Terrain Modeling (RTM) is a spatial analysis technique used to diagnose environmental conditions that lead to hazardous outcomes. ![]()
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