New Happy Birthday Lavatory Snow
Today marks the 200th twelvemonth of the nascence of British doc John Snow.
Snow is well-nigh famous for his point map of cholera cases inwards London's Soho. In 1854 Snow plotted the deaths caused past times cholera inwards the expanse as well as the place of xi H2O pumps used past times the locals. The distribution of the dots helped Snow let out that cholera occurred well-nigh oftentimes alongside those who drank from the Broad Street H2O pump.
Snow's map helped to disprove the thence pop theory that diseases such every bit cholera as well as bubonic plague were air borne as well as spread past times 'bad air'.
CartoDB has used Google Maps to practice a modern possess got on Snow's 1854 point map. CartoDB's map uses larger sized dots to betoken the publish of deaths at each place rather than individuals dots for each death.
If y'all desire to practice your ain map from John Snow's information thence possess got a await at Robin's Blog. Robin Wilson has mapped John Snow's information onto an Ordnance Survey map as well as likewise made the information available via Google Fusion Tables.
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