In 1854 a cholera epidemic ripped through the heart of London. One visionary scientist believed that he could analyse the outbreak and prevent further spread, in an event that marked the birth of epidemiology and went on to aid the establishment of public health and germ theory.
Music: Lost Radiance - On The Planet Far Away (ver. 1)
Sources:
Past Medical History – John Snow and the 1854 Cholera Outbreak (https://www.pastmedicalhistory.co.uk/john-snow-and-the-1854-cholera-outbreak/)
The Lancet – Cholera
World Health Organisation – Cholera Fact Sheet (https://www.who.int/en/news-room/fact-sheets/detail/cholera)
World Health Organisation – Yemen Country Profile (https://www.who.int/countries/yem/en/)
World Health Organisation – Weekly Epidemiological Record No. 38 (https://apps.who.int/iris/bitstream/handle/10665/274654/WER9338.pdf?ua=1)
National Geographic – How Cholera Spread So Quickly Through Haiti (https://news.nationalgeographic.com/2016/08/haiti-cholera-crisis-united-nations-admission/)
Al Jazeera - Yemen: Cholera cases so far this year outstrip 2018 figures (https://www.aljazeera.com/news/2019/07/yemen-cholera-cases-year-outstrip-2018-figures-190708135559586.html)
Al Jazeera - Yemen's cholera outbreak kills over 300 people (https://www.aljazeera.com/news/2019/04/yemens-cholera-outbreak-kills-300-people-190406101635126.html)
MedicalXpress – Mystery of Yemen cholera epidemic solved (https://medicalxpress.com/news/2019-01-mystery-yemen-cholera-epidemic.html)