30 Nov

Map of the Week: John Snow’s Cholera Map


John Snow’s Cholera Map is shown above. In 1854, there was a cholera outbreak in Soho, London. John Snow overlaid the cholera cases on a map featuring the location of the area’s drinking wells. Snow’s map enable him to discover that contaminated drinking water was a main contributor to the outbreak. Snow’s findings improved the management of water and waste systems, which is a significant advancement for public health. In addition, Snow is regarded as the modern father of epidemiology. In recent years,  diseases such as  Ebola and West Nile virus have been track and analyzed through mapping. Do you know of any other diseases that are being mapped?