History Coursework
Updated: 5/13/2020
History Coursework
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  • John Snow, an English physician, was known for many things. He was a leader in the development of medical hygiene, and considered one of the founders of modern epidemiology.
  • One of the things he was best known for was for discovering the source of the cholera outbreak in 1854.
  • Back at that time, there were 2 dominant theories on how disease spread: the miasma theory, and the contagion theory. John Snow was a supporter of the contagion theory.
  • The Miasma theory stated that disease was caused by 'bad air', while the contagion theory believed that it was instead caused by contact
  • MIASMA THEORYDISEASE IS CAUSED BY BAD AIR
  • CONTAGION THEORYDISEASE IS CAUSED BY DIRECT CONTACT
  • When the outbreak happened, John Snow correlated the location of the water pumps and the deaths of result to the Cholera disease, and persuaded the government that cholera was a water-borne disease.
  • To this day, his work is celebrated just like many others, who discovered many new things. He disproved the miasma theory, and instead justified and confirmed his own contagion theory.
  • John SnowFounding Father of Epidemiology(1813-1858)
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