Search results
- He proposed a new hypothesis for how cholera was transmitted. He tested this hypothesis systematically by making comparisons between groups of people. He provided evidence for an association between drinking from the Broad St. well and getting cholera. He argued for an intervention which prevented additional cases (removal of the pump handle).
sphweb.bumc.bu.edu › otlt › MPH-Modules
People also ask
How did John Snow study cholera?
Why is John Snow interested in epidemiology?
Why did snow choose to pursue a disease mechanism?
How many cholera victims did Snow find?
Sep 19, 2023 · Snow had a theory that cholera was "transmitted only by swallowing morbid-matter specific to the disease," and he wanted to prove it! He conducted the first epidemiology study on the districts in London. John Snow proved his theory by plotting cholera-related deaths on a map.
John Snow (15 March 1813 – 16 June 1858) was an English physician and a leader in the development of anaesthesia and medical hygiene. He is considered one of the founders of modern epidemiology and early germ theory , in part because of his work in tracing the source of a cholera outbreak in London's Soho , which he identified as a particular ...
Jan 23, 2018 · It was in 1832, during this apprenticeship, that Snow first encountered a cholera epidemic, in Killingworth, a nearby mining village. He treated many victims of the disease during this outbreak and became very accustomed to its clinical presentation and how it seemed to spread.
Oct 18, 2017 · The epidemic ended in 1849, but Snow continued to collect data on the pattern of of disease and began finding evidence that linked cholera to specific sources of water. Many Londoners received their water from hand pump wells (below) that were located throughout the city.
Instead of seeing all rotting garbage and sewage pouring into the river as causes of disease, Snow argued that the only dirty water that caused cholera was water contaminated by the evacuations of cholera patients, no matter how clean it appeared.
In Snow's day most physicians believed that cholera was caused by "miasmas" -- poisonous gases that were thought to arise from sewers, swamps, garbage pits, open graves, and other foul-smelling sites of organic decay. Snow felt that the miasma theory could not explain the spread of certain diseases, including cholera.
The plaque provides a gripping tale of what occured in this London neighborhood more than 160 years ago, and mentions the important contributions of Dr. John Snow to addressing the cholera epidemic. IMPORTANCE OF SNOW
