{"id":217,"date":"2011-03-09T13:00:47","date_gmt":"2011-03-09T13:00:47","guid":{"rendered":"http:\/\/mappinglondon.blogs.splintdev.geog.ucl.ac.uk\/?p=217"},"modified":"2014-10-08T15:06:11","modified_gmt":"2014-10-08T14:06:11","slug":"john-snows-cholera-map","status":"publish","type":"post","link":"https:\/\/mappinglondon.co.uk\/2011\/john-snows-cholera-map\/","title":{"rendered":"John Snow&#8217;s Cholera Map"},"content":{"rendered":"<p>Embedded below is a high resolution version of <a href=\"http:\/\/en.wikipedia.org\/wiki\/John_Snow_%28physician%29\" target=\"_blank\">John Snow&#8217;<\/a>s <a href=\"http:\/\/en.wikipedia.org\/wiki\/1854_Broad_Street_cholera_outbreak\" target=\"_blank\">1854 map<\/a> of the Broad Street (now<a href=\"http:\/\/www.openstreetmap.org\/?lat=51.513374&amp;lon=-0.137543&amp;zoom=18&amp;layers=M\" target=\"_blank\"> Broadwick Street<\/a>) cholera outbreak. Widely cited as the one of the first (and arguably best) examples of using spatial analysis in epidemiological studies, Snow&#8217;s map holds a special place in the hearts of those using spatial analysis to improve people&#8217;s lives.<br \/>\nAbout the map: I found<a href=\"http:\/\/www.umapper.com\/maps\/view\/id\/43438\/\" target=\"_blank\"> this map<\/a> on the <a href=\"http:\/\/www.umapper.com\/\" target=\"_blank\">UMapper<\/a> website and am therefore indebted to <a href=\"http:\/\/www.umapper.com\/demo\/users\/profile\/id\/12\" target=\"_blank\">andreit<\/a> (<a href=\"http:\/\/www.geocomrade.com\/\" target=\"_blank\">Andrei Taraschuk<\/a>) for uploading it. Each black bar on the map represents a death from cholera and these can be clearly seen to cluster around the pump (red dot). A much more detailed explanation is provided by the <a href=\"http:\/\/www.ph.ucla.edu\/epi\/snow\/mapsbroadstreet.html\" target=\"_blank\">UCLA Department for Epidemiology<\/a>.<\/p>\n<p><object classid=\"clsid:d27cdb6e-ae6d-11cf-96b8-444553540000\" codebase=\"http:\/\/download.macromedia.com\/pub\/shockwave\/cabs\/flash\/swflash.cab#version=9,0,0,0\" width=\"650\" height=\"400\" id=\"umapper_embed\"><param name=\"FlashVars\" value=\"kmlPath=http:\/\/umapper.s3.amazonaws.com\/maps\/kml\/43438.kml\" \/><param name=\"allowScriptAccess\" value=\"always\" \/><param name=\"allowFullScreen\" value=\"true\" \/><param name=\"movie\" value=\"http:\/\/umapper.s3.amazonaws.com\/templates\/swf\/embed.swf\" \/><param name=\"quality\" value=\"high\" \/><embed src=\"http:\/\/umapper.s3.amazonaws.com\/templates\/swf\/embed.swf\" FlashVars=\"kmlPath=http:\/\/umapper.s3.amazonaws.com\/maps\/kml\/43438.kml\" allowScriptAccess=\"always\" allowFullScreen=\"true\" quality=\"high\" width=\"650\" height=\"400\" name=\"umapper_embed\" type=\"application\/x-shockwave-flash\" pluginspage=\"http:\/\/www.macromedia.com\/go\/getflashplayer\" \/><\/object><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Embedded below is a high resolution version of John Snow&#8217;s 1854 map of the Broad Street (now Broadwick Street) cholera outbreak. Widely cited as the<\/p>\n","protected":false},"author":2,"featured_media":233,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[12,36,43,59,320,84],"class_list":["post-217","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-demographics","tag-12","tag-broad-street","tag-cholera","tag-epidemiology","tag-health","tag-john-snow"],"_links":{"self":[{"href":"https:\/\/mappinglondon.co.uk\/wp-json\/wp\/v2\/posts\/217","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mappinglondon.co.uk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mappinglondon.co.uk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mappinglondon.co.uk\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/mappinglondon.co.uk\/wp-json\/wp\/v2\/comments?post=217"}],"version-history":[{"count":4,"href":"https:\/\/mappinglondon.co.uk\/wp-json\/wp\/v2\/posts\/217\/revisions"}],"predecessor-version":[{"id":3218,"href":"https:\/\/mappinglondon.co.uk\/wp-json\/wp\/v2\/posts\/217\/revisions\/3218"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/mappinglondon.co.uk\/wp-json\/wp\/v2\/media\/233"}],"wp:attachment":[{"href":"https:\/\/mappinglondon.co.uk\/wp-json\/wp\/v2\/media?parent=217"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mappinglondon.co.uk\/wp-json\/wp\/v2\/categories?post=217"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mappinglondon.co.uk\/wp-json\/wp\/v2\/tags?post=217"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}