What did Dr John Snow discover?
John Snow conducted pioneering investigations on cholera epidemics in England and particularly in London in 1854 in which he demonstrated that contaminated water was the key source of the epidemics.
Why is John Snow famous?
John Snow, (born March 15, 1813, York, Yorkshire, England—died June 16, 1858, London), English physician known for his seminal studies of cholera and widely viewed as the father of contemporary epidemiology.
Who is John Snow and what is he known for?
| John Snow | |
|---|---|
| Alma mater | University of London |
| Known for | Anaesthesia Locating source of a cholera outbreak (thus establishing the disease as water-borne) |
| Scientific career | |
| Fields | Anaesthesia Epidemiology |
What did John Snow discover about cholera?
Snow was able to prove that the cholera was not a problem in Soho except among people who were in the habit of drinking water from the Broad Street pump. He also studied samples of water from the pump and found white flecks floating in it, which he believed were the source of contamination.
How was cholera stopped?
Prior to the discovery, it was widely believed that cholera was spread through dirty air. Dr Snow had the pump’s handle removed and stopped the outbreak.
What map did John Snow use?
Cholera Map
Cholera Map. This map of London was created by John Snow in 1854. London was experiencing a deadly cholera epidemic, when Snow tracked the cases on this map.
What did John Snow do that was a contribution to science?
John Snow (shown below) was a physician in London who spent several decades studying cholera in a systematic way. He is most often credited with solving an outbreak of cholera that occurred in London in 1854 (the outbreak is described below), but his studies of cholera were much more extensive than that.
Who found the cure for cholera?
In 1885, Spanish physician Jaime Ferrán, who studied under Koch’s rival Louis Pasteur, became the first to create a cholera vaccine. He did so after cultivating Vibrio cholerae and working with the live germs. Ferrán became the first to do a mass-vaccination as well.
Why is cholera called the Blue death?
Cholera has been nicknamed the “blue death” because a person’s skin may turn bluish-gray from extreme loss of fluids [4].