Cholera and John Snow
Who is often referred to as the 'father of modern epidemiology'?
John Snow
Which disease did John Snow investigate in London during the 1854 outbreak?
Cholera
What method did John Snow use to identify the source of the cholera outbreak?
Mapping cases of the disease
What was identified as the source of the 1854 cholera outbreak by John Snow?
A contaminated water pump on Broad Street
What theory about disease transmission did John Snow challenge?
The miasma theory
What tool is John Snow famous for using in his investigation of cholera?
A map
What was one reason John Snow’s findings were initially met with skepticism?
The miasma theory was widely accepted at the time
What action did authorities take after John Snow presented his findings about the Broad Street pump?
They removed the handle of the water pump
Which scientific approach did John Snow use to investigate the cholera outbreak?
Epidemiological investigation
What was cholera ultimately proven to be caused by?
Contaminated water containing Vibrio cholerae bacteria
First recorded case of Cholera
Sunderland October 1931 - ship carring sailors docked and quaratine laws with the baltic states were ignored
Two theories related to the spread of Cholera
Touch (contagion) and miasma (bad smells)
Cholera
bacterial disease spread by dirty water causing vomiting diarrheoa sweating and death
First cholera outbreak 1854
700 dead